Anas strepera couesi - Public domain drawing
Zusammenfassung
Male and female Gadwalls, and male Coues' Gadwall (Anas strepera couesi) illustrated as the bird on the right by Louis Agassiz Fuertes (1874 – 1927).
From A natural history of the ducks. Volume.II. The Genus Anas By John C. Phillips
Associate curator of birds in the Museum of Comparative Zoology at Harvard College
with plates in color and in black and white
from drawings Frank W. Benson, Allan Brooks, Louis Agassiz Fuertes and Henrik Grönvold.
Tags
Datum
1922 - 1926
Quelle
Wikimedia Commons
Link
Copyright-info
public domain