[Bristol-Birds] New field guide has amazing sex determination method for gulls
- From: "Wallace Coffey" <jwcoffey@xxxxxxxxxx>
- To: "Bristol-birds" <bristol-birds@xxxxxxxxxxxxx>
- Date: Sat, 22 Apr 2006 22:15:38 -0400
Below are two gulls of the same species. Study them closely... See If You
can determine which one is the female and which is the male. -- Wallace
Coffey ;-)
Attachment:
image001.gif
Description: GIF image
Other related posts:
- » [Bristol-Birds] New field guide has amazing sex determination method for gulls