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

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

fws.gov

"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

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

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

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

nih.gov

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

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

psu.edu

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

semanticscholar.org

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

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

toughlittlebirds.com

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

umich.edu

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

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

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

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

web.archive.org

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

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