Anser caerulescens x ANSER rossii Status: Rare regular spring migrant, rare casual fall migrant. Taxonomy: Hybridization occurs between Snow Goose and Ross’s Goose (Jondsson et al 2024), estimated at 4.7% of a sample of around 12,000 Ross’s and Snow Geese in the Central Flyway examined between 1961 and 1968 (Trauger et al 1971, Baldassare 2014). This […]
Redhead x Ring-necked Duck (hybrid)
Aythya americana x Aythya collaris Status: Accidental in spring Taxonomy: Redhead is known to have hybridized with each of the other four North American Aythya in the wild, Canvasback, Lesser Scaup, Greater Scaup, and Ring-necked Duck (Woodin and Michot 2020). Record: A drake was documented at Flanagan Lake, Douglas Co 4-6 Apr 2020 by Sam […]