I have seen C. geese dive under and swim several feet/yards
during what appears to be aggressive behavior by others.

Also saw a C. goose dive when a swan made it clear it was
unwelcome.

Not sure why they wouldn't just fly off.

Douglas F. Daily
ddaily at u.washington.edu
UW Medical Center Patient Care Svcs
System Administrator, Box 356152
Seattle WA 98195


On Fri, 23 Jan 1998, Bob Mauritsen wrote:

> Yesterday at Green Lake my attention was attracted by a row between some
> Canada geese and a few white domesticated (?) geese. The Canada geese
> outnumbered the others and apparently "won". Immediately afterwards,
> three individual Canada geese dove underwater and swam underwater for
> several yards before surfacing again. I'd never seen this before and
> I would have guessed that Canada geese wouldn't have been *able* to
> swim underwater. Is this behavior something that comes under the heading
> of "rare but typical?" perhaps?
>
> Bob Mauritsen
> rhm at ms.washington.edu
>
>
>