Pat, as far as I know adult female cowbirds retain a uniform tan brown plumage, unlike males that attain the glossy black plumage except the chocolate brown hood.
Best,
Frode Jacobsen
Windsor Mill, MD
On Wednesday, March 6, 2013 4:40:39 PM UTC-5, Pat Valdata, Elkton wrote:
> I had a plump, light brown�bird at my feeder that looked like a juvenile Brown-headed Cowbird, except that it didn't have any streaking. The eyes were dark, the bill light-colored and stubby. Except for being noticeably larger than the sparrows and juncos it was feeding with, this bird was as nondescript as could be.
>
> �
> How old are cowbirds before they acquire adult plumage?
> �
> Pat Valdata
>
>
> Elkton, MD
--
|