Phalacrocorax auritus x brasilianus
Status: Accidental in summer
Record: The only record is of one photographed at Crescent Lake NWR, Cherry Co 2 Sep 2020 (Mlodinow, eBird.org).
Comments: There are only four records for North America; one in Orange Co, California 10 Jul 2020, two for northeast Colorado, in Arapahoe Co 12 Aug 2018 and Kiowa Co 11 Aug 2018, and the Nebraska record.
Neotropic and Double-crested cormorants are each other’s closest relatives, sometimes treated as sister species (Dorr et al 2020).
Dorr, B. S., J. J. Hatch, and D. V. Weseloh (2020). Double-crested Cormorant (Phalacrocorax auritus), version 1.0. In Birds of the World (A. F. Poole, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.doccor.01.
Silcock, W.R., and J.G. Jorgensen. 2021. Double-crested x Neotropic Cormorant (hybrid) (Anser albifrons x Branta canadensis). In Birds of Nebraska — Online. www.BirdsofNebraska.org
Updated 23 February 2021