Sloth (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sloth" in English language version.

Last modified: 04:32:59, 14 September 2026 (UTC)

Ref.Un. Ref.Website

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5238doi.org

2^nd place

4427web.archive.org

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4227nih.gov

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2515adsabs.harvard.edu

14^th place

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2317worldcat.org

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137semanticscholar.org

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71whiterose.ac.uk

4,283^rd place

2,414^th place

55jstor.org

23^rd place

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54researchgate.net

96^th place

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52britannica.com

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43books.google.com

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32slothconservation.com

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32hdl.handle.net

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33bbc.co.uk

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31archive.org

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31scielo.br

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31livescience.com

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22iucnredlist.org

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22youtube.com

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22bbc.com

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21bucknell.edu

671^st place

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21gizmodo.com

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22nationalgeographic.com

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11uchicago.edu

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11google.com

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11physiology.org

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11natureinstitute.org

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11si.edu

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11go.com

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

ui.adsabs.harvard.edu

Delsuc, Frédéric; Catzeflis, François M.; Stanhope, Michael J.; Douzery, Emmanuel J. P. (7 August 2001). "The evolution of armadillos, anteaters and sloths depicted by nuclear and mitochondrial phylogenies: implications for the status of the enigmatic fossil Eurotamandua". Proceedings of the Royal Society of London B: Biological Sciences. 268 (1476): 1605–1615. Bibcode:2001PBioS.268.1605D. doi:10.1098/rspb.2001.1702. ISSN 0962-8452. PMC 1088784. PMID 11487408.
O'Leary, Maureen A.; Bloch, Jonathan I.; Flynn, John J.; Gaudin, Timothy J.; Giallombardo, Andres; Giannini, Norberto P.; Goldberg, Suzann L.; Kraatz, Brian P.; Luo, Zhe-Xi (8 February 2013). "The Placental Mammal Ancestor and the Post–K-Pg Radiation of Placentals". Science. 339 (6120): 662–667. Bibcode:2013Sci...339..662O. doi:10.1126/science.1229237. hdl:11336/7302. ISSN 0036-8075. PMID 23393258. S2CID 206544776.
Presslee, S.; Slater, G. J.; Pujos, F.; Forasiepi, A. M.; Fischer, R.; Molloy, K.; Mackie, M.; Olsen, J. V.; Kramarz, A.; Taglioretti, M.; Scaglia, F.; Lezcano, M.; Lanata, J. L.; Southon, J.; Feranec, R.; Bloch, J.; Hajduk, A.; Martin, F. M.; Gismondi, R. S.; Reguero, M.; de Muizon, C.; Greenwood, A.; Chait, B. T.; Penkman, K.; Collins, M.; MacPhee, R.D.E. (2019). "Palaeoproteomics resolves sloth relationships" (PDF). Nature Ecology & Evolution. 3 (7): 1121–1130. Bibcode:2019NatEE...3.1121P. doi:10.1038/s41559-019-0909-z. PMID 31171860. S2CID 174813630. Archived (PDF) from the original on 12 September 2020. Retrieved 18 September 2020.
Muizon, C. de; McDonald, H. G.; Salas, R.; Urbina, M. (June 2004). "The evolution of feeding adaptations of the aquatic sloth Thalassocnus". Journal of Vertebrate Paleontology. 24 (2): 398–410. Bibcode:2004JVPal..24..398D. doi:10.1671/2429b. JSTOR 4524727. S2CID 83859607.
Amson, E.; Muizon, C. de; Laurin, M.; Argot, C.; Buffrénil, V. de (2014). "Gradual adaptation of bone structure to aquatic lifestyle in extinct sloths from Peru". Proceedings of the Royal Society B: Biological Sciences. 281 (1782) 20140192. Bibcode:2014PBioS.28140192A. doi:10.1098/rspb.2014.0192. PMC 3973278. PMID 24621950.
Raj Pant, Sara; Goswami, Anjali; Finarelli, John A (2014). "Complex body size trends in the evolution of sloths (Xenarthra: Pilosa)". BMC Evolutionary Biology. 14 (1): 184. Bibcode:2014BMCEE..14..184R. doi:10.1186/s12862-014-0184-1. PMC 4243956. PMID 25319928.
Delsuc, F.; Kuch, M.; Gibb, G. C.; Karpinski, E.; Hackenberger, D.; Szpak, P.; Martínez, J. G.; Mead, J. I.; McDonald, H. G.; MacPhee, R.D.E.; Billet, G.; Hautier, L.; Poinar, H. N. (2019). "Ancient Mitogenomes Reveal the Evolutionary History and Biogeography of Sloths". Current Biology. 29 (12): 2031–2042.e6. Bibcode:2019CBio...29E2031D. doi:10.1016/j.cub.2019.05.043. hdl:11336/136908. PMID 31178321. Archived from the original on 23 March 2022. Retrieved 11 June 2020.
Steadman, D. W.; Martin, P. S.; MacPhee, R. D. E.; Jull, A. J. T.; McDonald, H. G.; Woods, C. A.; Iturralde-Vinent, M.; Hodgins, G. W. L. (16 August 2005). "Asynchronous extinction of late Quaternary sloths on continents and islands". Proc. Natl. Acad. Sci. USA. 102 (33): 11763–11768. Bibcode:2005PNAS..10211763S. doi:10.1073/pnas.0502777102. PMC 1187974. PMID 16085711.
Suutari, Milla; Majaneva, Markus; Fewer, David P.; Voirin, Bryson; Aiello, Annette; Friedl, Thomas; Chiarello, Adriano G.; Blomster, Jaanika (1 January 2010). "Molecular evidence for a diverse green algal community growing in the hair of sloths and a specific association with Trichophilus welckeri(Chlorophyta, Ulvophyceae)". BMC Evolutionary Biology. 10 (1): 86. Bibcode:2010BMCEE..10...86S. doi:10.1186/1471-2148-10-86. ISSN 1471-2148. PMC 2858742. PMID 20353556.
Garcés-Restrepo, M.F.; Pauli, J.N.; Peery, M.Z. (2018). "Natal dispersal of tree sloths in a human-dominated landscape: Implications for tropical biodiversity conservation". Journal of Applied Ecology. 55 (5): 2253–2262. Bibcode:2018JApEc..55.2253G. doi:10.1111/1365-2664.13138.
Bailey, T. N. (1974). "Social organization in a bobcat population". The Journal of Wildlife Management. 38 (3): 435–446. Bibcode:1974JWMan..38..435B. doi:10.2307/3800874. JSTOR 3800874.
Liberg, O. (1980). "Spacing patterns in a population of rural free roaming domestic cats". Oikos. 32 (3): 336–349. Bibcode:1980Oikos..35..336L. doi:10.2307/3544649. JSTOR 3544649.
Pauli, J. N.; Mendoza, J. E.; Steffan, S. A.; Carey, C. C.; Weimer, P. J.; Peery, M. Z. (2014). "A syndrome of mutualism reinforces the lifestyle of a sloth". Proceedings of the Royal Society B: Biological Sciences. 281 (1778) 20133006. Bibcode:2014PBioS.28133006P. doi:10.1098/rspb.2013.3006. PMC 3906947. PMID 24452028.
Pauli, Jonathan N.; Mendoza, Jorge E.; Steffan, Shawn A.; Carey, Cayelan C.; Weimer, Paul J.; Peery, M. Zachariah (7 March 2014). "A syndrome of mutualism reinforces the lifestyle of a sloth". Proceedings of the Royal Society. 281 (1778). The Royal Society Publishing. Bibcode:2014PBioS.28133006P. doi:10.1098/rspb.2013.3006. PMC 3906947. PMID 24452028.
Pauli, Jonathan N.; Peery, M. Zachariah (19 December 2012). "Unexpected Strong Polygyny in the Brown-Throated Three-Toed Sloth". PLOS ONE. 7 (12) e51389. Bibcode:2012PLoSO...751389P. doi:10.1371/journal.pone.0051389. ISSN 1932-6203. PMC 3526605. PMID 23284687.

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

"Sloth". Animal Corner. 26 February 2015. Archived from the original on 8 November 2020. Retrieved 22 November 2020.

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

The Land and Wildlife of South America. Time Inc. 1964. pp. 15, 54.

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

bbc.co.uk

"Manly secret of non-mating sloth at London Zoo". BBC News. BBC. 19 August 2010. Archived from the original on 19 September 2020. Retrieved 30 April 2015.
"Same-sex sloths dash Drusillas breeding plan". BBC News. BBC. 5 December 2013. Archived from the original on 5 December 2020. Retrieved 30 April 2015.

news.bbc.co.uk

Briggs, Helen (13 May 2008). "Article "Sloth's Lazy Image 'A Myth'"". BBC News. Archived from the original on 1 January 2021. Retrieved 21 May 2010.

bbc.com (Global: 26^th place; English: 23^rd place)

Venema, Vibeke (4 April 2014). "The woman who got 'slothified'". BBC News. Archived from the original on 6 March 2021. Retrieved 1 December 2017.
Dowling, Stephen (29 August 2019). "Why do sloths move so slowly?". BBC Future. BBC News. Archived from the original on 12 September 2019. Retrieved 2 September 2019.

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

White, J.L.; MacPhee, R.D.E. (2001). "The sloths of the West Indies: a systematic and phylogenetic review". In Woods, C.A.; Sergile, F.E. (eds.). Biogeography of the West Indies: Patterns and Perspectives. Boca Raton, London, New York, and Washington, D.C.: CRC Press. pp. 201–235. doi:10.1201/9781420039481-14. ISBN 978-0-8493-2001-9. Archived from the original on 24 May 2021. Retrieved 9 June 2020.
Alexander, R. McN. (1992), "Comparative aspects of human activity", in Norgan, N. G. (ed.), Physical Activity and Health, Society for the Study of Human Biology Symposium Series, Cambridge: Cambridge University Press, pp. 7–19, doi:10.1017/CBO9780511983924.002, ISBN 978-0-521-41551-4, retrieved 2 May 2026
Eisenberg, John F.; Redford, Kent H. (15 May 2000). Mammals of the Neotropics, Volume 3: The Central Neotropics: Ecuador, Peru, Bolivia, Brazil. University of Chicago Press. p. 624. ISBN 978-0-226-19542-1. OCLC 493329394. Archived from the original on 19 September 2020. Retrieved 25 September 2016.

britannica.com (Global: 37^th place; English: 64^th place)

"Sloth". Encyclopedia Britannica. Archived from the original on 19 May 2017. Retrieved 1 December 2017.
Montgomery, Sy. "Community Ecology of the Sloth". Cecropia: Supplemental Information. Encyclopædia Britannica. Archived from the original on 24 May 2009. Retrieved 6 September 2009.

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

departments.bucknell.edu

Gardner, A. (2005). Wilson, D.E.; Reeder, D.M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 100–101. ISBN 978-0-8018-8221-0. OCLC 62265494.

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

Delsuc, Frédéric; Catzeflis, François M.; Stanhope, Michael J.; Douzery, Emmanuel J. P. (7 August 2001). "The evolution of armadillos, anteaters and sloths depicted by nuclear and mitochondrial phylogenies: implications for the status of the enigmatic fossil Eurotamandua". Proceedings of the Royal Society of London B: Biological Sciences. 268 (1476): 1605–1615. Bibcode:2001PBioS.268.1605D. doi:10.1098/rspb.2001.1702. ISSN 0962-8452. PMC 1088784. PMID 11487408.
O'Leary, Maureen A.; Bloch, Jonathan I.; Flynn, John J.; Gaudin, Timothy J.; Giallombardo, Andres; Giannini, Norberto P.; Goldberg, Suzann L.; Kraatz, Brian P.; Luo, Zhe-Xi (8 February 2013). "The Placental Mammal Ancestor and the Post–K-Pg Radiation of Placentals". Science. 339 (6120): 662–667. Bibcode:2013Sci...339..662O. doi:10.1126/science.1229237. hdl:11336/7302. ISSN 0036-8075. PMID 23393258. S2CID 206544776.
Svartman, Marta; Stone, Gary; Stanyon, Roscoe (21 July 2006). "The Ancestral Eutherian Karyotype Is Present in Xenarthra". PLOS Genetics. 2 (7) e109. doi:10.1371/journal.pgen.0020109. ISSN 1553-7404. PMC 1513266. PMID 16848642.
Presslee, S.; Slater, G. J.; Pujos, F.; Forasiepi, A. M.; Fischer, R.; Molloy, K.; Mackie, M.; Olsen, J. V.; Kramarz, A.; Taglioretti, M.; Scaglia, F.; Lezcano, M.; Lanata, J. L.; Southon, J.; Feranec, R.; Bloch, J.; Hajduk, A.; Martin, F. M.; Gismondi, R. S.; Reguero, M.; de Muizon, C.; Greenwood, A.; Chait, B. T.; Penkman, K.; Collins, M.; MacPhee, R.D.E. (2019). "Palaeoproteomics resolves sloth relationships" (PDF). Nature Ecology & Evolution. 3 (7): 1121–1130. Bibcode:2019NatEE...3.1121P. doi:10.1038/s41559-019-0909-z. PMID 31171860. S2CID 174813630. Archived (PDF) from the original on 12 September 2020. Retrieved 18 September 2020.
Moraes-Barros, M.C.; et al. (2011). "Morphology, molecular phylogeny, and taxonomic inconsistencies in the study of Bradypus sloths (Pilosa: Bradypodidae)". Journal of Mammalogy. 92 (1): 86–100. doi:10.1644/10-MAMM-A-086.1.
Plese, T.; Chiarello, A. (2014). "Choloepus hoffmanni". IUCN Red List of Threatened Species. 2014 e.T4778A47439751. doi:10.2305/IUCN.UK.2014-1.RLTS.T4778A47439751.en.
Hayssen, V. (2011). "Choloepus hoffmanni (Pilosa: Megalonychidae)". Mammalian Species. 43 (1): 37–55. doi:10.1644/873.1.
Gaudin, T.J. (1 February 2004). "Phylogenetic relationships among sloths (Mammalia, Xenarthra, Tardigrada): the craniodental evidence". Zoological Journal of the Linnean Society. 140 (2): 255–305. doi:10.1111/j.1096-3642.2003.00100.x. ISSN 0024-4082.
Muizon, C. de; McDonald, H. G.; Salas, R.; Urbina, M. (June 2004). "The evolution of feeding adaptations of the aquatic sloth Thalassocnus". Journal of Vertebrate Paleontology. 24 (2): 398–410. Bibcode:2004JVPal..24..398D. doi:10.1671/2429b. JSTOR 4524727. S2CID 83859607.
Amson, E.; Muizon, C. de; Laurin, M.; Argot, C.; Buffrénil, V. de (2014). "Gradual adaptation of bone structure to aquatic lifestyle in extinct sloths from Peru". Proceedings of the Royal Society B: Biological Sciences. 281 (1782) 20140192. Bibcode:2014PBioS.28140192A. doi:10.1098/rspb.2014.0192. PMC 3973278. PMID 24621950.
White, J.L.; MacPhee, R.D.E. (2001). "The sloths of the West Indies: a systematic and phylogenetic review". In Woods, C.A.; Sergile, F.E. (eds.). Biogeography of the West Indies: Patterns and Perspectives. Boca Raton, London, New York, and Washington, D.C.: CRC Press. pp. 201–235. doi:10.1201/9781420039481-14. ISBN 978-0-8493-2001-9. Archived from the original on 24 May 2021. Retrieved 9 June 2020.
Raj Pant, Sara; Goswami, Anjali; Finarelli, John A (2014). "Complex body size trends in the evolution of sloths (Xenarthra: Pilosa)". BMC Evolutionary Biology. 14 (1): 184. Bibcode:2014BMCEE..14..184R. doi:10.1186/s12862-014-0184-1. PMC 4243956. PMID 25319928.
Delsuc, F.; Kuch, M.; Gibb, G. C.; Karpinski, E.; Hackenberger, D.; Szpak, P.; Martínez, J. G.; Mead, J. I.; McDonald, H. G.; MacPhee, R.D.E.; Billet, G.; Hautier, L.; Poinar, H. N. (2019). "Ancient Mitogenomes Reveal the Evolutionary History and Biogeography of Sloths". Current Biology. 29 (12): 2031–2042.e6. Bibcode:2019CBio...29E2031D. doi:10.1016/j.cub.2019.05.043. hdl:11336/136908. PMID 31178321. Archived from the original on 23 March 2022. Retrieved 11 June 2020.
Amson, E.; Argot, C.; McDonald, H. G.; de Muizon, C. (2015). "Osteology and functional morphology of the axial postcranium of the marine sloth Thalassocnus (Mammalia, Tardigrada) with paleobiological implications". Journal of Mammalian Evolution. 22 (4): 473–518. doi:10.1007/s10914-014-9280-7. S2CID 16700349.
Steadman, D. W.; Martin, P. S.; MacPhee, R. D. E.; Jull, A. J. T.; McDonald, H. G.; Woods, C. A.; Iturralde-Vinent, M.; Hodgins, G. W. L. (16 August 2005). "Asynchronous extinction of late Quaternary sloths on continents and islands". Proc. Natl. Acad. Sci. USA. 102 (33): 11763–11768. Bibcode:2005PNAS..10211763S. doi:10.1073/pnas.0502777102. PMC 1187974. PMID 16085711.
Alexander, R. McN. (1992), "Comparative aspects of human activity", in Norgan, N. G. (ed.), Physical Activity and Health, Society for the Study of Human Biology Symposium Series, Cambridge: Cambridge University Press, pp. 7–19, doi:10.1017/CBO9780511983924.002, ISBN 978-0-521-41551-4, retrieved 2 May 2026
Morgan, D. M.; Spainhower, K. B.; Mossor, A. M.; Avey-Arroyo, J. A.; Butcher, M. T. (2023). "Muscle architectural properties indicate a primary role in support for the pelvic limb of three-toed sloths (Bradypus variegatus)". Journal of Anatomy. 243 (3): 448–466. doi:10.1111/joa.13884. ISSN 0021-8782. PMC 10439369. PMID 37190673.
Tucker, C. S.; Mossor, A. M.; Spainhower, K. B.; Avey-Arroyo, J. A.; Butcher, M. T. (2026). "Hoffmann's two-toed sloth II : Muscle architectural properties in the thoracic limb of Choloepus (Pilosa: Xenarthra)". Journal of Anatomy joa.70120. doi:10.1111/joa.70120. ISSN 0021-8782. PMID 41834278.
Young, M. W.; Granatosky, M. C.; Avey-Arroyo, J. A.; Butcher, M. T.; Dickinson, E. (2023). "Grip it good: in vivo grip force across substrate diameters in the brown-throated three-toed sloth ( Bradypus variegatus )". Journal of Zoology. 319 (4): 254–263. doi:10.1111/jzo.13041. ISSN 0952-8369.
Amson, E.; Nyakatura, J. A. (2018). "The Postcranial Musculoskeletal System of Xenarthrans: Insights from over Two Centuries of Research and Future Directions". Journal of Mammalian Evolution. 25 (4): 459–484. doi:10.1007/s10914-017-9408-7. ISSN 1573-7055.
Spainhower, K. B.; Cliffe, R. N.; Metz, A. K.; Barkett, E. M.; Kiraly, P. M.; Thomas, D. R.; Kennedy, S. J.; Avey-Arroyo, J. A.; Butcher, M. T. (2018). "Cheap labor: myosin fiber type expression and enzyme activity in the forelimb musculature of sloths (Pilosa: Xenarthra)". Journal of Applied Physiology. 125 (3): 799–811. doi:10.1152/japplphysiol.01118.2017. ISSN 8750-7587. PMID 29722617. Archived from the original on 29 May 2025. Retrieved 22 February 2025.
Suutari, Milla; Majaneva, Markus; Fewer, David P.; Voirin, Bryson; Aiello, Annette; Friedl, Thomas; Chiarello, Adriano G.; Blomster, Jaanika (1 January 2010). "Molecular evidence for a diverse green algal community growing in the hair of sloths and a specific association with Trichophilus welckeri(Chlorophyta, Ulvophyceae)". BMC Evolutionary Biology. 10 (1): 86. Bibcode:2010BMCEE..10...86S. doi:10.1186/1471-2148-10-86. ISSN 1471-2148. PMC 2858742. PMID 20353556.
Moreno, Ricardo S.; Kays, Roland W.; Samudio, Rafael (24 August 2006). "Competitive Release in Diets of Ocelot (Leopardus pardalis) and Puma (Puma concolor) after Jaguar (Panthera onca) Decline". Journal of Mammalogy. 87 (4): 808–816. doi:10.1644/05-MAMM-A-360R2.1. ISSN 0022-2372. S2CID 37859321.
Aguiar-Silva, F. Helena; Sanaiotti, Tânia M.; Luz, Benjamim B. (1 March 2014). "Food Habits of the Harpy Eagle, a Top Predator from the Amazonian Rainforest Canopy". Journal of Raptor Research. 48 (1): 24–35. doi:10.3356/JRR-13-00017.1. ISSN 0892-1016. S2CID 86270583.
Gilmore, D. P.; Da Costa, C. P.; Duarte, D. P. F. (2001). "Sloth biology: an update on their physiological ecology, behavior and role as vectors of arthropods and arboviruses" (PDF). Brazilian Journal of Medical and Biological Research. 34 (1): 9–25. doi:10.1590/S0100-879X2001000100002. ISSN 1678-4510. PMID 11151024. Archived (PDF) from the original on 6 November 2020. Retrieved 1 December 2017.
Mendel, Frank C. (1 January 1985). "Use of Hands and Feet of Three-Toed Sloths (Bradypus variegatus) during Climbing and Terrestrial Locomotion". Journal of Mammalogy. 66 (2): 359–366. doi:10.2307/1381249. JSTOR 1381249.
Garcés-Restrepo, M.F.; Pauli, J.N.; Peery, M.Z. (2018). "Natal dispersal of tree sloths in a human-dominated landscape: Implications for tropical biodiversity conservation". Journal of Applied Ecology. 55 (5): 2253–2262. Bibcode:2018JApEc..55.2253G. doi:10.1111/1365-2664.13138.
Britton, S. W. (1 January 1941). "Form and Function in the Sloth". The Quarterly Review of Biology. 16 (1): 13–34. doi:10.1086/394620. JSTOR 2808832. S2CID 85162387.
Montgomery, G. G.; Sunquist, M. E. (1975). "Impact of Sloths on Neotropical Forest Energy Flow and Nutrient Cycling". Tropical Ecological Systems. Ecological Studies. Vol. 11. pp. 69–98. doi:10.1007/978-3-642-88533-4_7. ISBN 978-3-642-88535-8.
Bailey, T. N. (1974). "Social organization in a bobcat population". The Journal of Wildlife Management. 38 (3): 435–446. Bibcode:1974JWMan..38..435B. doi:10.2307/3800874. JSTOR 3800874.
Liberg, O. (1980). "Spacing patterns in a population of rural free roaming domestic cats". Oikos. 32 (3): 336–349. Bibcode:1980Oikos..35..336L. doi:10.2307/3544649. JSTOR 3544649.
Pauli, J. N.; Mendoza, J. E.; Steffan, S. A.; Carey, C. C.; Weimer, P. J.; Peery, M. Z. (2014). "A syndrome of mutualism reinforces the lifestyle of a sloth". Proceedings of the Royal Society B: Biological Sciences. 281 (1778) 20133006. Bibcode:2014PBioS.28133006P. doi:10.1098/rspb.2013.3006. PMC 3906947. PMID 24452028.
Voirin, B.; Kays, R.; Wikelski, M.; Lowman, M. (2013). "Why Do Sloths Poop on the Ground". In Lowman, M.; Devy, S.; Ganesh, T. (eds.). Treetops at Risk. New York, NY: Springer. pp. 195–199. doi:10.1007/978-1-4614-7161-5_19. ISBN 978-1-4614-7160-8.
Monge Nájera, J. (2021). "Why sloths defecate on the ground: rejection of the mutualistic model". UNED Research Journal. 13 (1) e3438. doi:10.22458/urj.v13i1.3438.
Pauli, Jonathan N.; Mendoza, Jorge E.; Steffan, Shawn A.; Carey, Cayelan C.; Weimer, Paul J.; Peery, M. Zachariah (7 March 2014). "A syndrome of mutualism reinforces the lifestyle of a sloth". Proceedings of the Royal Society. 281 (1778). The Royal Society Publishing. Bibcode:2014PBioS.28133006P. doi:10.1098/rspb.2013.3006. PMC 3906947. PMID 24452028.
Soares, C. A.; Carneiro, R. S. (1 May 2002). "Social behavior between mothers × young of sloths Bradypus variegatus SCHINZ, 1825 (Xenarthra: Bradypodidae)". Brazilian Journal of Biology. 62 (2): 249–252. doi:10.1590/S1519-69842002000200008. ISSN 1519-6984. PMID 12489397.
Pauli, Jonathan N.; Peery, M. Zachariah (19 December 2012). "Unexpected Strong Polygyny in the Brown-Throated Three-Toed Sloth". PLOS ONE. 7 (12) e51389. Bibcode:2012PLoSO...751389P. doi:10.1371/journal.pone.0051389. ISSN 1932-6203. PMC 3526605. PMID 23284687.
Chiarello, A. & Moraes-Barros, N. (2014). "Bradypus torquatus". IUCN Red List of Threatened Species. 2014 e.T3036A47436575. doi:10.2305/IUCN.UK.2014-1.RLTS.T3036A47436575.en.

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

BBC (4 November 2016), Swimming sloth - Planet Earth II: Islands Preview - BBC One, archived from the original on 30 October 2021, retrieved 17 April 2017

gizmodo.com (Global: 763^rd place; English: 486^th place)

io9.gizmodo.com

Bennington-Castro, Joseph (23 January 2014). "The Strange Symbiosis Between Sloths and Moths". Gizmodo. Archived from the original on 1 December 2017. Retrieved 1 December 2017.

go.com (Global: 97^th place; English: 79^th place)

abcnews.go.com

"Sloths: Hottest-Selling Animal in Colombia's Illegal Pet Trade". ABC News. 29 May 2013. Archived from the original on 6 July 2020. Retrieved 2 December 2017.

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

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Morgan, D. M.; Spainhower, K. B.; Mossor, A. M.; Avey-Arroyo, J. A.; Butcher, M. T. (2023). "Muscle architectural properties indicate a primary role in support for the pelvic limb of three-toed sloths (Bradypus variegatus)". Journal of Anatomy. 243 (3): 448–466. doi:10.1111/joa.13884. ISSN 0021-8782. PMC 10439369. PMID 37190673.
Suutari, Milla; Majaneva, Markus; Fewer, David P.; Voirin, Bryson; Aiello, Annette; Friedl, Thomas; Chiarello, Adriano G.; Blomster, Jaanika (1 January 2010). "Molecular evidence for a diverse green algal community growing in the hair of sloths and a specific association with Trichophilus welckeri(Chlorophyta, Ulvophyceae)". BMC Evolutionary Biology. 10 (1): 86. Bibcode:2010BMCEE..10...86S. doi:10.1186/1471-2148-10-86. ISSN 1471-2148. PMC 2858742. PMID 20353556.
Pauli, J. N.; Mendoza, J. E.; Steffan, S. A.; Carey, C. C.; Weimer, P. J.; Peery, M. Z. (2014). "A syndrome of mutualism reinforces the lifestyle of a sloth". Proceedings of the Royal Society B: Biological Sciences. 281 (1778) 20133006. Bibcode:2014PBioS.28133006P. doi:10.1098/rspb.2013.3006. PMC 3906947. PMID 24452028.
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physiology.org (Global: 6,780^th place; English: 8,492^nd place)

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researchgate.net (Global: 96^th place; English: 89^th place)

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