[nysbirds-l] Van Cortlandt geese

Had the Barnacle Goose, Cackling Goose, and several possible Dusky Canadas at the Parade Ground at Van Cortlandt Park with the two large Canada Goose flocks.  The "Dusky Geese", ssp. occidentalis, seemed not only to look different but sounded slightly different too.  The cackling looks to be

[nysbirds-l] Van Cortlandt geese

Had the Barnacle Goose, Cackling Goose, and several possible Dusky Canadas at the Parade Ground at Van Cortlandt Park with the two large Canada Goose flocks.  The Dusky Geese, ssp. occidentalis, seemed not only to look different but sounded slightly different too.  The cackling looks to be