Snow Geese at Bosque del Apache, New Mexico. Dark ("Blue") morph birds occur at about 1% of population. This color morp is controlled by a single dominant gene. January 2008
Ducks,Geese,Swans,Snow,Goose
Snow Geese at Bosque del Apache, New Mexico. Dark ("Blue") morph birds occur at about 1% of population. This color morp is controlled by a single dominant gene. January 2008