On Thu, 6 Jul 1995, Jon Anderson wrote:
>
> In my winter-time backyard banding in west Olympia, I have noted that the
> 'resident' song sparrows will indeed stay around through the summer.
>
> But, I usually band 15-30 song sparrows annually. Only a few of these
> birds repeat through the summer. Many of them are seen (at the feeder/
> mist-net) the following winter, as well as through the winter of their
> initial banding. I do not know whether these 'wintering' birds are
> 'migrant' or if they merely disperse away from the feeder situation.
>

Is there any altitudinal migration amongst Song Sparrows? Jewett alludes
to this in _M.m.merrilli_. Jewett also says that the offspring of all the
resident Sparrows tend to wander, which is no big surprise.

Russell Rogers
4510 Glenn Way SW
Seattle, Washington 98116
(206) 935-6280
rrogers at halcyon.com