Northern cardinal (English Wikipedia)

BirdLife International (2018). "Cardinalis cardinalis". IUCN Red List of Threatened Species. 2018: e.T22723819A132024136. doi:10.2305/IUCN.UK.2018-2.RLTS.T22723819A132024136.en. Retrieved 12 November 2021.
McGraw, Kevin J.; Hill, Geoffrey E.; Stradi, Riccardo; Parker, Robert S. (2001). "The Influence of Carotenoid Acquisition and Utilization on the Maintenance of Species-Typical Plumage Pigmentation in Male American Goldfinches (Carduelis tristis) and Northern Cardinals (Cardinalis cardinalis)". Physiological and Biochemical Zoology. 74 (6). University of Chicago Press: 843–852. doi:10.1086/323797. PMID 11731975. S2CID 10265039.
McGraw, Kevin J; Hill, Geogffrey E.; Parker, Robert S. (August 2003), "Carotenoid Pigments in a Mutant Cardinal: Implications for the Genetic and Enzymatic Control Mechanisms of Carotenoid Metabolism in Birds", The Condor, 105 (3): 587–592, doi:10.1650/7281, S2CID 32164111
Yamaguchi, Ayako (1998). "A sexually dimorphic learned birdsong in the northern cardinal". The Condor. 100 (3): 504–511. doi:10.2307/1369716. JSTOR 1369716.
"Northern Cardinal - Introduction | Birds of North America Online". birdsna.org. doi:10.2173/bow.norcar.02. Retrieved 2020-03-06.
Levine, Rebecca S.; et al. (November 2016) [9 June 2016 (online publication)]. "Supersuppression: Reservoir Competency and Timing of Mosquito Host Shifts Combine to Reduce Spillover of West Nile Virus". The American Journal of Tropical Medicine and Hygiene. 95 (5): 1174–1184. doi:10.4269/ajtmh.15-0809. PMC 5094236. PMID 27503511.

fox13news.com (Global: low place; English: 5,914^th place)

"'One in a million' yellow cardinal named 'Sunny' spotted in Florida". FOX 35 Orlando. October 15, 2019.

fws.gov (Global: 2,434^th place; English: 1,524^th place)

"Birds Protected by the Migratory Bird Treaty Act". U.S. Fish and Wildlife Service. Archived from the original on 2007-10-10. Retrieved 2007-10-14.

iucnredlist.org (Global: 88^th place; English: 160^th place)

BirdLife International (2018). "Cardinalis cardinalis". IUCN Red List of Threatened Species. 2018: e.T22723819A132024136. doi:10.2305/IUCN.UK.2018-2.RLTS.T22723819A132024136.en. Retrieved 12 November 2021.

jstor.org (Global: 26^th place; English: 20^th place)

Yamaguchi, Ayako (1998). "A sexually dimorphic learned birdsong in the northern cardinal". The Condor. 100 (3): 504–511. doi:10.2307/1369716. JSTOR 1369716.

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

"Find A Bird". Mass Audubon. Retrieved 2023-06-12.

natureserve.org (Global: 5,367^th place; English: 2,998^th place)

explorer.natureserve.org

"Cardinalis cardinalis". NatureServe. 7 April 2016. Retrieved 30 August 2025.

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

McGraw, Kevin J.; Hill, Geoffrey E.; Stradi, Riccardo; Parker, Robert S. (2001). "The Influence of Carotenoid Acquisition and Utilization on the Maintenance of Species-Typical Plumage Pigmentation in Male American Goldfinches (Carduelis tristis) and Northern Cardinals (Cardinalis cardinalis)". Physiological and Biochemical Zoology. 74 (6). University of Chicago Press: 843–852. doi:10.1086/323797. PMID 11731975. S2CID 10265039.
Levine, Rebecca S.; et al. (November 2016) [9 June 2016 (online publication)]. "Supersuppression: Reservoir Competency and Timing of Mosquito Host Shifts Combine to Reduce Spillover of West Nile Virus". The American Journal of Tropical Medicine and Hygiene. 95 (5): 1174–1184. doi:10.4269/ajtmh.15-0809. PMC 5094236. PMID 27503511.

ncbi.nlm.nih.gov

Levine, Rebecca S.; et al. (November 2016) [9 June 2016 (online publication)]. "Supersuppression: Reservoir Competency and Timing of Mosquito Host Shifts Combine to Reduce Spillover of West Nile Virus". The American Journal of Tropical Medicine and Hygiene. 95 (5): 1174–1184. doi:10.4269/ajtmh.15-0809. PMC 5094236. PMID 27503511.

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

onthefeeder (2021-12-16). "How Cardinals Survive Winter & Ways You Can Help". OnTheFeeder. Retrieved 2021-06-17.

psu.edu (Global: 207^th place; English: 136^th place)

"Northern Cardinal". Pennsylvania State University. 2002. Archived from the original on 2013-12-26.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

McGraw, Kevin J.; Hill, Geoffrey E.; Stradi, Riccardo; Parker, Robert S. (2001). "The Influence of Carotenoid Acquisition and Utilization on the Maintenance of Species-Typical Plumage Pigmentation in Male American Goldfinches (Carduelis tristis) and Northern Cardinals (Cardinalis cardinalis)". Physiological and Biochemical Zoology. 74 (6). University of Chicago Press: 843–852. doi:10.1086/323797. PMID 11731975. S2CID 10265039.
McGraw, Kevin J; Hill, Geogffrey E.; Parker, Robert S. (August 2003), "Carotenoid Pigments in a Mutant Cardinal: Implications for the Genetic and Enzymatic Control Mechanisms of Carotenoid Metabolism in Birds", The Condor, 105 (3): 587–592, doi:10.1650/7281, S2CID 32164111

spectrumlocalnews.com (Global: low place; English: 6,517^th place)

"Why you should feed cardinals in the winter". spectrum news. Retrieved 2024-04-20.

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

"How do birds keep warm?". Tough Little Birds. 2012-12-27. Retrieved 2016-02-05.

umich.edu (Global: 459^th place; English: 360^th place)

animaldiversity.ummz.umich.edu

Dewey, Tanya; Kirschbaum, Kari; Crane, Jonathan (2002). "Cardinalis cardinalis". University of Michigan Museum of Zoology. Archived from the original on 2015-02-24. Retrieved 2007-08-24.

usatoday.com (Global: 41^st place; English: 34^th place)

McClenny, Brad (March 10, 2022). "'It's a show stopper': One-in-a-million picturesque yellow cardinal spotted in Florida". The Gainesville Sun. Retrieved May 14, 2022.

usgs.gov (Global: 167^th place; English: 198^th place)

mbr-pwrc.usgs.gov

"Northern cardinal Cardinalis cardinalis". United States Geological Survey. Archived from the original on 2014-08-20. Retrieved 2007-11-08.

washingtonexaminer.com (Global: 2,728^th place; English: 1,571^st place)

Goldsberry, Jenny (May 11, 2022). "SEE IT: Rare yellow cardinal seen in Florida". Washington Examiner. Retrieved May 14, 2022.

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

Duchesne, Bob (2012-09-21). "Proliferation of cardinals a fairly recent event". Bangor Daily News. Archived from the original on 2014-10-06.
Dewey, Tanya; Kirschbaum, Kari; Crane, Jonathan (2002). "Cardinalis cardinalis". University of Michigan Museum of Zoology. Archived from the original on 2015-02-24. Retrieved 2007-08-24.
"Northern cardinal Cardinalis cardinalis". United States Geological Survey. Archived from the original on 2014-08-20. Retrieved 2007-11-08.
Cornell Lab of Ornithology. "Cardinalis cardinalis". Cornell University. Archived from the original on 2015-01-16. Retrieved 2007-08-24.
"Northern Cardinal". Pennsylvania State University. 2002. Archived from the original on 2013-12-26.
"Birds Protected by the Migratory Bird Treaty Act". U.S. Fish and Wildlife Service. Archived from the original on 2007-10-10. Retrieved 2007-10-14.

worldbirdnames.org (Global: 1,007^th place; English: 1,255^th place)

Gill, Frank; Donsker, David, eds. (2019). "Cardinals, grosbeaks and (tanager) allies". World Bird List Version 9.2. International Ornithologists' Union. Retrieved 26 June 2019.

Northern cardinal (English Wikipedia)

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