[Tweeters] Anna's Quick Facts

David Hutchinson florafaunabooks at hotmail.com
Fri Jun 17 18:19:34 PDT 2022

Thanks Scott, that is very interesting. Do we know possible migration routes i.e. do birds
breed East of the mtns and winter in the Western Lowlands. via I 5 corridor? I have read that
Annas are spreading Eastwards across the US southern states, becoming resident there. Perhaps
also in the middle states. Likely some Rufous too. Presumably this is all relative to presence
of feeders. Most of what I have observed is within Discovery Park/Magnolia, the epitome of a
garden suburb. David

From: Scott Downes <downess at charter.net>
Sent: Friday, June 17, 2022 5:41 PM
To: David Hutchinson <florafaunabooks at hotmail.com>
Cc: tweeters at u.washington.edu <tweeters at u.washington.edu>
Subject: Re: [Tweeters] Anna's Quick Facts

They are both resident and migrant (at least local) in Washington. Before they were resident in areas like Yakima, they were migrating over the Cascades in late summer (and still do).

Scott Downes
Downess at charter.net
Yakima Wa

On Jun 17, 2022, at 5:07 PM, David Hutchinson <florafaunabooks at hotmail.com> wrote:

They are RESIDENT not MIGRANT. Females lay two EGGS
They are POLYGYNOUS i.e. not pair forming.
Their original home town was Southern CAL but here the males
call and start displaying probably in December.
In W.Wash both sexes largely live in suburban areas.
Females can start nest-building by January. They tour MALE
territories before they pick a parent for their brood.
These territories might be 100 yards or so apart.
Last year's FEMALES can certainly breed twice, but not always
in same nest. They favor FEEDERS, but use flowers of several colors,
native & ornamental, plus sap, insects, cement & more.
They can be harder to find by July when they might be in molt.
Anna's certainly arrived in the PNW by 1946 (Vancouver Island)
Males are aggressive in mating & territory protection. Have
seen one attack a Bald Eagle in flight Thanks to American Nat Hist Museum
for funding and Garrett Eddy for early study info. David

Tweeters mailing list
Tweeters at u.washington.edu
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman11.u.washington.edu/pipermail/tweeters/attachments/20220618/2c6d7f07/attachment.html>

More information about the Tweeters mailing list