Eastern gray squirrel (English Wikipedia)

Kurtén, Björn; Anderson, Elaine (September 1980). Pleistocene Mammals of North America. Columbia University Press. p. 221. ISBN 0-231-03733-3. The primarily arboreal gray squirrel... has been identified in 18 Pleistocene faunas dating back to the late Irvingtonian (Coleman IIA) in Florida, Kentucky, Maryland, Missouri, Pennsylvania, Tennessee, Texas, and Virginia.
Thorington, Richard W.; Koprowski, John L.; Steele, Michael A.; Whatton, James F. (2012). "Sciurus carolinesis (Gmelin, 1788) Eastern Grey Squirrel". Squirrels of the World. Johns Hopkins University Press. pp. 45–47. ISBN 9781421404691. Retrieved 28 May 2026.

bbc.co.uk (Global: 11^th place; English: 10^th place)

news.bbc.co.uk

"Smart squirrels fool food thieves", BBC, 17 January 2008.
"Jamie 'must back squirrel-eating'". BBC News. 23 March 2006. Retrieved 22 August 2007.

biodiversityexplorer.org (Global: low place; English: low place)

"Polyboroides typus (African harrier-hawk, Gymnogene)". Archived from the original on 3 November 2013. Retrieved 29 June 2013.
"Sciurus carolinensis (Grey Squirrel)". Biodiversityexplorer.org. Archived from the original on 9 September 2018. Retrieved 10 June 2010.

biodiversitylibrary.org (Global: 168^th place; English: 136^th place)

Bentley, Curtis C.; Knight, James L.; Knoll, Martin A. (December 1994). "The mammals of the Ardis local fauna (late Pleistocene), Harleyville, South Carolina". Brimleyana. 21. Retrieved 28 March 2024.{{cite journal}}: CS1 maint: deprecated archival service (link)

books.google.com (Global: 3^rd place; English: 3^rd place)

Alexander, R. McNeill (2003). Principles of animal locomotion. Princeton University Press. p. 162. ISBN 978-0-691-08678-1.
Long, Kim (September 1995). Squirrels: a wildlife handbook. Big Earth Publishing. p. 95. ISBN 978-1-55566-152-6.
Long, Kim (1995), Squirrels: A Wildlife Handbook, Johnson Books, pp. 144–146, ISBN 978-1-55566-152-6.

bucknell.edu (Global: 671^st place; English: 1,144^th place)

departments.bucknell.edu

Thorington, R.W. Jr; Hoffman, R.S. (2005). "Family Sciuridae". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 760. ISBN 978-0-8018-8221-0. OCLC 62265494.

cbc.ca (Global: 110^th place; English: 65^th place)

"Squirrels adopt strays, Canadian study finds". CBC.ca. 2 June 2010.

chesapeakebay.net (Global: low place; English: low place)

"Eastern Gray Squirrel". Chesapeake Bay. Retrieved 11 October 2022.

cornell.edu (Global: 308^th place; English: 253^rd place)

dnr.cornell.edu

"New York's Wildlife Resources" (PDF). Department of Natural Resources at Cornell University. p. 2. Archived from the original (PDF) on 15 July 2007. Retrieved 28 September 2013.

courant.com (Global: 1,696^th place; English: 798^th place)

Grant, Steve (21 October 2004). "The Squirrel's Bag Of Tricks: They Can't Get Out Of The Way Of Cars, But Other Behaviors Demonstrate Advanced Thinking (for A Rodent)", The Hartford Courant.

currentzoology.org (Global: low place; English: low place)

Partan, Sarah R. (2010). "Multimodal alarm behavior in urban and rural gray squirrels studied by means of observation and a mechanical robot" (PDF). Current Zoology. 56 (3): 313–326. doi:10.1093/czoolo/56.3.313. Archived from the original (PDF) on 18 June 2018. Retrieved 7 March 2014.

daera-ni.gov.uk (Global: low place; English: low place)

"Controlling the grey squirrel population | Department of Agriculture, Environment and Rural Affairs". DAERA. 24 August 2015. Retrieved 19 November 2022.

doi.org (Global: 2^nd place; English: 2^nd place)

Cassola, F. (2016). "Sciurus carolinensis". IUCN Red List of Threatened Species. 2016 e.T42462A22245728. doi:10.2305/IUCN.UK.2016-2.RLTS.T42462A22245728.en. Retrieved 19 November 2021.
De Abreu-Jr, Edson Fiedler; Pavan, Silvia E.; Tsuchiya, Mirian T. N.; Wilson, Don E.; Percequillo, Alexandre R.; Maldonado, Jesús E. (2020). "Museomics of tree squirrels: A dense taxon sampling of mitogenomes reveals hidden diversity, phenotypic convergence, and the need of a taxonomic overhaul". BMC Evolutionary Biology. 20 (1): 77. Bibcode:2020BMCEE..20...77D. doi:10.1186/s12862-020-01639-y. PMC 7320592. PMID 32590930. S2CID 220071854.
Goheen, Jacob R.; Swihart, Robert K. (2003). "Food-hoarding behavior of gray squirrels and North American red squirrels in the central hardwoods region: Implications for forest regeneration". Canadian Journal of Zoology. 81 (9): 1636–1639. Bibcode:2003CaJZ...81.1636G. doi:10.1139/z03-143.
Steele MA, Hadj-Chikh LZ, Hazeltine J (1996). "Caching and Feeding Decisions by Sciurus carolinensis: Responses to Weevil-Infested Acorns". Journal of Mammalogy. 77 (2): 305–314. doi:10.2307/1382802. JSTOR 1382802.
Huynh HM, Williams GR, McAlpine DF, Thorington RW (1 December 2010). "Establishment of the Eastern Gray Squirrel (Sciurus carolinensis) in Nova Scotia, Canada". Northeastern Naturalist. 17 (4). United States: Eagle Hill Institute: 673–677. doi:10.1656/045.017.0414. S2CID 84649999.
Koprowski, John L. (1994). "Sciurus carolinensis" (PDF). Mammalian Species (480): 1–9. doi:10.2307/3504224. JSTOR 3504224. Archived from the original (PDF) on 27 March 2014. Retrieved 26 March 2014.
McRobie, H.; Thomas, A.; Kelly, J. (2009). "The Genetic Basis of Melanism in the Gray Squirrel (Sciurus carolinensis)". Journal of Heredity. 100 (6): 709–714. doi:10.1093/jhered/esp059. PMID 19643815.
Webley, G. E.; Pope, G. S.; Johnson, E (1985). "Seasonal changes in the testes and accessory reproductive organs and seasonal and circadian changes in plasma testosterone concentrations in the male grey squirrel (Sciurus carolinensis)". General and Comparative Endocrinology. 59 (1): 15–23. doi:10.1016/0016-6480(85)90414-9. PMID 4018551.
Partan, Sarah R. (2010). "Multimodal alarm behavior in urban and rural gray squirrels studied by means of observation and a mechanical robot" (PDF). Current Zoology. 56 (3): 313–326. doi:10.1093/czoolo/56.3.313. Archived from the original (PDF) on 18 June 2018. Retrieved 7 March 2014.
Hanmer, Hugh J.; Thomas, Rebecca L.; Fellowes, Mark D. E. (2018). "Introduced Grey Squirrels subvert supplementary feeding of suburban wild birds" (PDF). Landscape and Urban Planning. 177: 10–18. Bibcode:2018LUrbP.177...10H. doi:10.1016/j.landurbplan.2018.04.004. S2CID 90663919.
Hanmer, Hugh J.; Thomas, Rebecca L.; Fellowes, Mark D. E. (2017). "Provision of supplementary food for wild birds may increase the risk of local nest predation" (PDF). Ibis. 159 (1): 158–167. Bibcode:2017Ibis..159..158H. doi:10.1111/ibi.12432.
Bertolino, Sandro; Genovesi, Piero (2003). "Spread and attempted eradication of the grey squirrel (Sciurus carolinensis) in Italy, and consequences for the red squirrel (Sciurus vulgaris) in Eurasia" (PDF). Biological Conservation. 109 (3): 351–358. Bibcode:2003BCons.109..351B. doi:10.1016/S0006-3207(02)00161-1. Archived from the original (PDF) on 21 August 2022. Retrieved 19 October 2020.
Wauters, L. A.; Gurnell, J.; Martinoli, A. & Tosi, G. (2002). "Interspecific competition between native Eurasian red squirrels and alien grey squirrels: does resource partitioning occur?". Behavioral Ecology and Sociobiology. 52 (4): 332–341. Bibcode:2002BEcoS..52..332W. doi:10.1007/s00265-002-0516-9. S2CID 44051537.
Sheehy, Emma; Lawton, Colin (March 2014). "Population crash in an invasive species following the recovery of a native predator: the case of the American grey squirrel and the European pine marten in Ireland". Biodiversity and Conservation. 23 (3): 753–774. Bibcode:2014BiCon..23..753S. doi:10.1007/s10531-014-0632-7. S2CID 10449048.

economist.com (Global: 331^st place; English: 272^nd place)

"Wild meat: Squirrel nutcase". The Economist, Vol. 402 Number 8772 (3 March 2012).

europa.eu (Global: 62^nd place; English: 100^th place)

eur-lex.europa.eu

ec.europa.eu

United Nations Environment Programme World Conservation Monitoring Centre (2010) Review of the Grey Squirrel Sciurus carolinensis. UNEP-WCMC, Cambridge

europeansquirrelinitiative.org (Global: low place; English: low place)

"The Threat". European Squirrel Initiative. Suffolk, England. Retrieved 6 October 2023.
"Summary (of Bertolino S., Lurz. P.W.W., Rushton S.P. 2006, DIVAPRA Entomology & Zoology)". Europeansquirrelinitiative.org. Archived from the original on 20 January 2011. Retrieved 10 June 2010.

forestry.gov.uk (Global: low place; English: low place)

"The grey squirrel policy and action statement". forestry.gov.uk. Archived from the original on 20 February 2007.

ghostarchive.org (Global: 64^th place; English: 28^th place)

"History of grey squirrels in UK". Daily Telegraph (UK). 28 August 2018. Archived from the original on 12 January 2022. Retrieved 1 September 2018.

google.com (Global: 109^th place; English: 87^th place)

Thorington, R.W. Jr; Hoffman, R.S. (2005). "Family Sciuridae". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 760. ISBN 978-0-8018-8221-0. OCLC 62265494.

gov.bc.ca (Global: 1,686^th place; English: 861^st place)

env.gov.bc.ca

"Alien Species Alert!" (PDF). Vancouver Island Region Wildlife. Canada: Ministry of Environment and Climate Change Strategy. 22 December 2009. Retrieved 19 September 2023.

gov.uk (Global: 401^st place; English: 228^th place)

"March 2019 update: Invasive non-native species and grey squirrels". Gov.uk. Retrieved 14 February 2024.

hww.ca (Global: low place; English: low place)

Hamilton, Heather (1990). Smith, D. (ed.). Eastern Grey Squirrel (PDF). Canada: Hinterland Who's Who. ISBN 0-660-13634-1. Retrieved 6 October 2023.

i-csrs.com (Global: low place; English: low place)

"Basic information about squirrels". ICSRS. Interactive Centre for Scientific Research about Squirrels. 17 November 2015. Retrieved 14 April 2017.

illinois.edu (Global: 1,178^th place; English: 745^th place)

las.illinois.edu

Evensen, Dave (Fall 2023). "The squirrel experiment" (PDF). LAS in History. The Quadrangle. University of Illinois, College of Liberal Arts & Sciences. pp. 26–27.

intekom.com (Global: low place; English: low place)

home.intekom.com

"The Grey Squirrel – Sciurus carolinensis of Southern Africa". Home.intekom.com. Archived from the original on 25 December 2019. Retrieved 10 June 2010.

iucnredlist.org (Global: 39^th place; English: 71^st place)

Cassola, F. (2016). "Sciurus carolinensis". IUCN Red List of Threatened Species. 2016 e.T42462A22245728. doi:10.2305/IUCN.UK.2016-2.RLTS.T42462A22245728.en. Retrieved 19 November 2021.

jstor.org (Global: 23^rd place; English: 15^th place)

Steele MA, Hadj-Chikh LZ, Hazeltine J (1996). "Caching and Feeding Decisions by Sciurus carolinensis: Responses to Weevil-Infested Acorns". Journal of Mammalogy. 77 (2): 305–314. doi:10.2307/1382802. JSTOR 1382802.
McGoldrick M, Rochford J (2009). "Recent range expansion by the Grey Squirrel (Sciurus carolinensis Gmelin 1788)". Irish Naturalists' Journal. 30 (1): 24–28. JSTOR 20764520.
Koprowski, John L. (1994). "Sciurus carolinensis" (PDF). Mammalian Species (480): 1–9. doi:10.2307/3504224. JSTOR 3504224. Archived from the original (PDF) on 27 March 2014. Retrieved 26 March 2014.

krugerpark.co.za (Global: low place; English: low place)

"Tree Squirrel | Rodent | Southern Africa". Krugerpark.co.za. Retrieved 10 June 2010.

macclesfield.gov.uk (Global: low place; English: low place)

"The Grey Squirrel (Sciurus carolinensis)" (PDF). Grey squirrel Advisory. Archived from the original (PDF) on 7 February 2006. Retrieved 10 July 2008.

mass.gov (Global: 4,269^th place; English: 2,127^th place)

"Red & Gray Squirrels in Massachusetts". MassWildlife. Massachusetts Division of Fisheries and Wildlife. Archived from the original on 17 May 2013. Retrieved 3 April 2012.

mayoclinic.org (Global: 2,191^st place; English: 1,798^th place)

"Lyme disease – Symptoms and causes". Mayo Clinic. Retrieved 3 November 2022.
"Rocky Mountain spotted fever – Symptoms and causes". Mayo Clinic. Retrieved 3 November 2022.

midatlanticwildlifecontrol.com (Global: low place; English: low place)

"Eastern Gray Squirrel | Mid-Atlantic Wildlife Control". Best Animal Removal Services – Mid-Atlantic Wildlife Control. Retrieved 3 November 2022.

misfitanimals.com (Global: low place; English: low place)

Warner, Monique (28 June 2022). "Are Squirrels Omnivores, Herbivores Or Carnivores?". Retrieved 21 November 2022.

mom.me (Global: low place; English: low place)

animals.mom.me

McCracken, Brian. "DO SQUIRRELS REALLY KNOW WHERE THEY BURY THEIR FOOD?". Animals – mom.me.

natureserve.org (Global: 2,387^th place; English: 1,112^th place)

explorer.natureserve.org

"Sciurus carolinensis". Natureserve Explorer. Retrieved 12 May 2024.

ncsu.edu (Global: 2,653^rd place; English: 1,525^th place)

content.ces.ncsu.edu

"Eastern Gray Squirrel | NC State Extension Publications". content.ces.ncsu.edu. Retrieved 7 February 2024.
"Eastern Gray Squirrel | NC State Extension Publications". content.ces.ncsu.edu. Retrieved 19 November 2022.

nhm.ac.uk (Global: 416^th place; English: 865^th place)

"Squirrels in the UK: what they are up to, when and why". www.nhm.ac.uk. Retrieved 7 February 2024.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

De Abreu-Jr, Edson Fiedler; Pavan, Silvia E.; Tsuchiya, Mirian T. N.; Wilson, Don E.; Percequillo, Alexandre R.; Maldonado, Jesús E. (2020). "Museomics of tree squirrels: A dense taxon sampling of mitogenomes reveals hidden diversity, phenotypic convergence, and the need of a taxonomic overhaul". BMC Evolutionary Biology. 20 (1): 77. Bibcode:2020BMCEE..20...77D. doi:10.1186/s12862-020-01639-y. PMC 7320592. PMID 32590930. S2CID 220071854.
McRobie, H.; Thomas, A.; Kelly, J. (2009). "The Genetic Basis of Melanism in the Gray Squirrel (Sciurus carolinensis)". Journal of Heredity. 100 (6): 709–714. doi:10.1093/jhered/esp059. PMID 19643815.
Webley, G. E.; Pope, G. S.; Johnson, E (1985). "Seasonal changes in the testes and accessory reproductive organs and seasonal and circadian changes in plasma testosterone concentrations in the male grey squirrel (Sciurus carolinensis)". General and Comparative Endocrinology. 59 (1): 15–23. doi:10.1016/0016-6480(85)90414-9. PMID 4018551.

ncbi.nlm.nih.gov

De Abreu-Jr, Edson Fiedler; Pavan, Silvia E.; Tsuchiya, Mirian T. N.; Wilson, Don E.; Percequillo, Alexandre R.; Maldonado, Jesús E. (2020). "Museomics of tree squirrels: A dense taxon sampling of mitogenomes reveals hidden diversity, phenotypic convergence, and the need of a taxonomic overhaul". BMC Evolutionary Biology. 20 (1): 77. Bibcode:2020BMCEE..20...77D. doi:10.1186/s12862-020-01639-y. PMC 7320592. PMID 32590930. S2CID 220071854.

nyc.gov (Global: 687^th place; English: 348^th place)

"Eastern Grey Squirrel – WildlifeNYC". www.nyc.gov. Retrieved 3 November 2022.

nytimes.com (Global: 7^th place; English: 7^th place)

Blakeslee, Sandra (27 August 1997). "Kentucky Doctors Warn Against a Regional Dish: Squirrels' Brains". The New York Times. Retrieved 15 February 2017.
Spieler, Marlena (6 January 2009). "Saving a Squirrel by Eating One". The New York Times. ISSN 0362-4331. Retrieved 13 December 2021.

projectnoah.org (Global: low place; English: low place)

"Eastern Gray Squirrel". Project Noah. Retrieved 11 October 2022.

reading.ac.uk (Global: 8,112^th place; English: 4,877^th place)

centaur.reading.ac.uk

Hanmer, Hugh J.; Thomas, Rebecca L.; Fellowes, Mark D. E. (2018). "Introduced Grey Squirrels subvert supplementary feeding of suburban wild birds" (PDF). Landscape and Urban Planning. 177: 10–18. Bibcode:2018LUrbP.177...10H. doi:10.1016/j.landurbplan.2018.04.004. S2CID 90663919.
Hanmer, Hugh J.; Thomas, Rebecca L.; Fellowes, Mark D. E. (2017). "Provision of supplementary food for wild birds may increase the risk of local nest predation" (PDF). Ibis. 159 (1): 158–167. Bibcode:2017Ibis..159..158H. doi:10.1111/ibi.12432.

redsquirrels.info (Global: low place; English: low place)

"Red squirrel conservation, squirrel ecology and grey squirrel management". The Friends of the Anglesey Red Squirrels. Retrieved 22 August 2007.

sc.gov (Global: 4,779^th place; English: 2,257^th place)

dnr.sc.gov

Eastern Gray Squirrel, South Carolina Department of Natural Resources

sciencing.com (Global: low place; English: low place)

"All of the Types of Squirrels". Sciencing. 25 July 2018. Retrieved 20 November 2022.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

De Abreu-Jr, Edson Fiedler; Pavan, Silvia E.; Tsuchiya, Mirian T. N.; Wilson, Don E.; Percequillo, Alexandre R.; Maldonado, Jesús E. (2020). "Museomics of tree squirrels: A dense taxon sampling of mitogenomes reveals hidden diversity, phenotypic convergence, and the need of a taxonomic overhaul". BMC Evolutionary Biology. 20 (1): 77. Bibcode:2020BMCEE..20...77D. doi:10.1186/s12862-020-01639-y. PMC 7320592. PMID 32590930. S2CID 220071854.
Huynh HM, Williams GR, McAlpine DF, Thorington RW (1 December 2010). "Establishment of the Eastern Gray Squirrel (Sciurus carolinensis) in Nova Scotia, Canada". Northeastern Naturalist. 17 (4). United States: Eagle Hill Institute: 673–677. doi:10.1656/045.017.0414. S2CID 84649999.
Hanmer, Hugh J.; Thomas, Rebecca L.; Fellowes, Mark D. E. (2018). "Introduced Grey Squirrels subvert supplementary feeding of suburban wild birds" (PDF). Landscape and Urban Planning. 177: 10–18. Bibcode:2018LUrbP.177...10H. doi:10.1016/j.landurbplan.2018.04.004. S2CID 90663919.
Wauters, L. A.; Gurnell, J.; Martinoli, A. & Tosi, G. (2002). "Interspecific competition between native Eurasian red squirrels and alien grey squirrels: does resource partitioning occur?". Behavioral Ecology and Sociobiology. 52 (4): 332–341. Bibcode:2002BEcoS..52..332W. doi:10.1007/s00265-002-0516-9. S2CID 44051537.
Sheehy, Emma; Lawton, Colin (March 2014). "Population crash in an invasive species following the recovery of a native predator: the case of the American grey squirrel and the European pine marten in Ireland". Biodiversity and Conservation. 23 (3): 753–774. Bibcode:2014BiCon..23..753S. doi:10.1007/s10531-014-0632-7. S2CID 10449048.

smith.edu (Global: 3,053^rd place; English: 2,250^th place)

science.smith.edu

Koprowski, John L. (1994). "Sciurus carolinensis" (PDF). Mammalian Species (480): 1–9. doi:10.2307/3504224. JSTOR 3504224. Archived from the original (PDF) on 27 March 2014. Retrieved 26 March 2014.

squirrelarena.com (Global: low place; English: low place)

Watson, Jessica (9 August 2022). "What Impact Does The Eastern Gray Squirrel Have Economic ? Find Out Here Squirrel Arena". www.squirrelarena.com. Retrieved 21 November 2022.

telegraph.co.uk (Global: 40^th place; English: 27^th place)

"History of grey squirrels in UK". Daily Telegraph (UK). 28 August 2018. Archived from the original on 12 January 2022. Retrieved 1 September 2018.

ucdavis.edu (Global: 2,336^th place; English: 1,492^nd place)

ipm.ucdavis.edu

"How to Manage Pests – Tree Squirrels". University of California. Retrieved 23 May 2014.

umich.edu (Global: 429^th place; English: 307^th place)

animaldiversity.ummz.umich.edu

Lawniczak, M. (2002). "Sciurus carolinensis". Animal Diversity Web. Retrieved 10 July 2008.

untamedscience.com (Global: low place; English: low place)

Nelson, Rob. "White and Albino Squirrel Research Initiative". UntamedScience.com. Retrieved 23 March 2015.

uwc.ac.za (Global: low place; English: low place)

planet.botany.uwc.ac.za

Bertolino, Sandro; Genovesi, Piero (2003). "Spread and attempted eradication of the grey squirrel (Sciurus carolinensis) in Italy, and consequences for the red squirrel (Sciurus vulgaris) in Eurasia" (PDF). Biological Conservation. 109 (3): 351–358. Bibcode:2003BCons.109..351B. doi:10.1016/S0006-3207(02)00161-1. Archived from the original (PDF) on 21 August 2022. Retrieved 19 October 2020.

wa.gov (Global: 1,564^th place; English: 741^st place)

wdfw.wa.gov

Linders, Mary J.; Stinson, Derek W. (May 2006). "Washington State Recovery Plan for the Western Gray Squirrel". Draft. Washington Department of Fish and Wildlife Program: 13–14. Archived from the original (PDF) on 31 October 2007. Retrieved 1 June 2026. {{cite journal}}: Cite journal requires |journal= (help)

washingtonpost.com (Global: 35^th place; English: 24^th place)

Kelly, John (9 April 2012). "Learn to speak squirrel in four easy lessons". Washington Post. Retrieved 7 March 2014.

web.archive.org (Global: 1^st place; English: 1^st place)

"Summary (of Bertolino S., Lurz. P.W.W., Rushton S.P. 2006, DIVAPRA Entomology & Zoology)". Europeansquirrelinitiative.org. Archived from the original on 20 January 2011. Retrieved 10 June 2010.
Koprowski, John L. (1994). "Sciurus carolinensis" (PDF). Mammalian Species (480): 1–9. doi:10.2307/3504224. JSTOR 3504224. Archived from the original (PDF) on 27 March 2014. Retrieved 26 March 2014.
"New York's Wildlife Resources" (PDF). Department of Natural Resources at Cornell University. p. 2. Archived from the original (PDF) on 15 July 2007. Retrieved 28 September 2013.
BBC: Science and Nature, "Grey squirrel: Sciurus carolinensis"
"Red & Gray Squirrels in Massachusetts". MassWildlife. Massachusetts Division of Fisheries and Wildlife. Archived from the original on 17 May 2013. Retrieved 3 April 2012.
"The Grey Squirrel (Sciurus carolinensis)" (PDF). Grey squirrel Advisory. Archived from the original (PDF) on 7 February 2006. Retrieved 10 July 2008.
Curtis, Paul D. and Sullivan, Kristi L. (2001) Tree Squirrels, Wildlife Damage Management Fact Sheet Series, Cornell Cooperative Extension, Ithaca, N.Y.
Partan, Sarah R. (2010). "Multimodal alarm behavior in urban and rural gray squirrels studied by means of observation and a mechanical robot" (PDF). Current Zoology. 56 (3): 313–326. doi:10.1093/czoolo/56.3.313. Archived from the original (PDF) on 18 June 2018. Retrieved 7 March 2014.
"Polyboroides typus (African harrier-hawk, Gymnogene)". Archived from the original on 3 November 2013. Retrieved 29 June 2013.
"The Grey Squirrel – Sciurus carolinensis of Southern Africa". Home.intekom.com. Archived from the original on 25 December 2019. Retrieved 10 June 2010.
"Sciurus carolinensis (Grey Squirrel)". Biodiversityexplorer.org. Archived from the original on 9 September 2018. Retrieved 10 June 2010.
Bertolino, Sandro; Genovesi, Piero (2003). "Spread and attempted eradication of the grey squirrel (Sciurus carolinensis) in Italy, and consequences for the red squirrel (Sciurus vulgaris) in Eurasia" (PDF). Biological Conservation. 109 (3): 351–358. Bibcode:2003BCons.109..351B. doi:10.1016/S0006-3207(02)00161-1. Archived from the original (PDF) on 21 August 2022. Retrieved 19 October 2020.
"The grey squirrel policy and action statement". forestry.gov.uk. Archived from the original on 20 February 2007.
Linders, Mary J.; Stinson, Derek W. (May 2006). "Washington State Recovery Plan for the Western Gray Squirrel". Draft. Washington Department of Fish and Wildlife Program: 13–14. Archived from the original (PDF) on 31 October 2007. Retrieved 1 June 2026. {{cite journal}}: Cite journal requires |journal= (help)

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Thorington, R.W. Jr; Hoffman, R.S. (2005). "Family Sciuridae". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 760. ISBN 978-0-8018-8221-0. OCLC 62265494.
Spieler, Marlena (6 January 2009). "Saving a Squirrel by Eating One". The New York Times. ISSN 0362-4331. Retrieved 13 December 2021.

Eastern gray squirrel (English Wikipedia)

adsabs.harvard.edu (Global: 14th place; English: 9th place)

ui.adsabs.harvard.edu

americazoo.com (Global: low place; English: low place)

animaldiversity.org (Global: 1,343rd place; English: 1,384th place)

animalspot.net (Global: low place; English: low place)

archive.org (Global: 6th place; English: 6th place)

bbc.co.uk (Global: 11th place; English: 10th place)

news.bbc.co.uk

biodiversityexplorer.org (Global: low place; English: low place)

biodiversitylibrary.org (Global: 168th place; English: 136th place)

books.google.com (Global: 3rd place; English: 3rd place)

bucknell.edu (Global: 671st place; English: 1,144th place)

departments.bucknell.edu

cbc.ca (Global: 110th place; English: 65th place)

chesapeakebay.net (Global: low place; English: low place)

cornell.edu (Global: 308th place; English: 253rd place)

dnr.cornell.edu

courant.com (Global: 1,696th place; English: 798th place)

currentzoology.org (Global: low place; English: low place)

daera-ni.gov.uk (Global: low place; English: low place)

doi.org (Global: 2nd place; English: 2nd place)

economist.com (Global: 331st place; English: 272nd place)

europa.eu (Global: 62nd place; English: 100th place)

eur-lex.europa.eu

ec.europa.eu

europeansquirrelinitiative.org (Global: low place; English: low place)

forestry.gov.uk (Global: low place; English: low place)

ghostarchive.org (Global: 64th place; English: 28th place)

google.com (Global: 109th place; English: 87th place)

gov.bc.ca (Global: 1,686th place; English: 861st place)

env.gov.bc.ca

gov.uk (Global: 401st place; English: 228th place)

hww.ca (Global: low place; English: low place)

i-csrs.com (Global: low place; English: low place)

illinois.edu (Global: 1,178th place; English: 745th place)

las.illinois.edu

intekom.com (Global: low place; English: low place)

home.intekom.com

iucnredlist.org (Global: 39th place; English: 71st place)

jstor.org (Global: 23rd place; English: 15th place)

krugerpark.co.za (Global: low place; English: low place)

macclesfield.gov.uk (Global: low place; English: low place)

mass.gov (Global: 4,269th place; English: 2,127th place)

mayoclinic.org (Global: 2,191st place; English: 1,798th place)

midatlanticwildlifecontrol.com (Global: low place; English: low place)

misfitanimals.com (Global: low place; English: low place)

mom.me (Global: low place; English: low place)

animals.mom.me

natureserve.org (Global: 2,387th place; English: 1,112th place)

explorer.natureserve.org

ncsu.edu (Global: 2,653rd place; English: 1,525th place)

content.ces.ncsu.edu

nhm.ac.uk (Global: 416th place; English: 865th place)

nih.gov (Global: 5th place; English: 5th place)

pubmed.ncbi.nlm.nih.gov

ncbi.nlm.nih.gov

nyc.gov (Global: 687th place; English: 348th place)

nytimes.com (Global: 7th place; English: 7th place)

projectnoah.org (Global: low place; English: low place)

reading.ac.uk (Global: 8,112th place; English: 4,877th place)

centaur.reading.ac.uk

redsquirrels.info (Global: low place; English: low place)

sc.gov (Global: 4,779th place; English: 2,257th place)

dnr.sc.gov

sciencing.com (Global: low place; English: low place)

semanticscholar.org (Global: 15th place; English: 8th place)

api.semanticscholar.org

smith.edu (Global: 3,053rd place; English: 2,250th place)

science.smith.edu

squirrelarena.com (Global: low place; English: low place)

telegraph.co.uk (Global: 40th place; English: 27th place)

ucdavis.edu (Global: 2,336th place; English: 1,492nd place)

ipm.ucdavis.edu

umich.edu (Global: 429th place; English: 307th place)

animaldiversity.ummz.umich.edu

untamedscience.com (Global: low place; English: low place)

uwc.ac.za (Global: low place; English: low place)

planet.botany.uwc.ac.za

wa.gov (Global: 1,564th place; English: 741st place)

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

animaldiversity.org (Global: 1,343^rd place; English: 1,384^th place)

archive.org (Global: 6^th place; English: 6^th place)

bbc.co.uk (Global: 11^th place; English: 10^th place)

biodiversitylibrary.org (Global: 168^th place; English: 136^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

bucknell.edu (Global: 671^st place; English: 1,144^th place)

cbc.ca (Global: 110^th place; English: 65^th place)

cornell.edu (Global: 308^th place; English: 253^rd place)

courant.com (Global: 1,696^th place; English: 798^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

economist.com (Global: 331^st place; English: 272^nd place)

europa.eu (Global: 62^nd place; English: 100^th place)

ghostarchive.org (Global: 64^th place; English: 28^th place)

google.com (Global: 109^th place; English: 87^th place)

gov.bc.ca (Global: 1,686^th place; English: 861^st place)

gov.uk (Global: 401^st place; English: 228^th place)

illinois.edu (Global: 1,178^th place; English: 745^th place)

iucnredlist.org (Global: 39^th place; English: 71^st place)

jstor.org (Global: 23^rd place; English: 15^th place)

mass.gov (Global: 4,269^th place; English: 2,127^th place)

mayoclinic.org (Global: 2,191^st place; English: 1,798^th place)

natureserve.org (Global: 2,387^th place; English: 1,112^th place)

ncsu.edu (Global: 2,653^rd place; English: 1,525^th place)

nhm.ac.uk (Global: 416^th place; English: 865^th place)

nih.gov (Global: 5^th place; English: 5^th place)

nyc.gov (Global: 687^th place; English: 348^th place)

nytimes.com (Global: 7^th place; English: 7^th place)

reading.ac.uk (Global: 8,112^th place; English: 4,877^th place)

sc.gov (Global: 4,779^th place; English: 2,257^th place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

smith.edu (Global: 3,053^rd place; English: 2,250^th place)

telegraph.co.uk (Global: 40^th place; English: 27^th place)

ucdavis.edu (Global: 2,336^th place; English: 1,492^nd place)

umich.edu (Global: 429^th place; English: 307^th place)

wa.gov (Global: 1,564^th place; English: 741^st place)

washingtonpost.com (Global: 35^th place; English: 24^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 4^th place; English: 4^th place)