Saturday, October 02, 2010

Zoo6 - Geese and Swans

My fav of this group were the Black Swans (Cygnus atratus):


wiki
Breeds mainly in Australia.

Trumpeter Swan (Cygnus buccinator):
(Not sure what kind of duck that is beside the swan.)

cornell
enature
North America, but not North Dakota.

Bar Headed Goose (Anser indicus):

wiki
Central Asia

Snow Goose (Chen caerulescens):

cornell
enature
npwrc checklist says present in North Dakota.

Cornell shows a "blue morph" of snow goose which looks like an unidentified duck/goose pic I have:

Cornell says:
"Until recently, the Blue Geese, as the dark birds were called, were considered a separate species. They are now recognized as merely a dark form (or "morph") of the Snow Goose."

No comments: