A Male Golden-Winged Warbler (Helminthophila chrysoptera) Mated with a Female Blue-Winged Warbler (Helminthophila pinus) at Bethel, Conn
Published in The Auk, in 1906, in volume 23, pages 104
Date published:1906
Published in The Auk, in 1906, in volume 23, pages 104
Date published:1906