>
>There is (only circumstantial) evidence for Phainopeplas breeding in
>southern Arizona, then migrating to the coast of California and breeding
>again during the same year. The optimal seasons for Phainopepla breeding
>at these two *not-very-distant* areas are at quite different times, so a
>bird being able to take advantage of this would have a unique opportunity.
>If this in fact does happen with Phainopeplas, it's the only example of
>such a phenomenon known to me.

There is also circumstantial evidence that Great Plains breeding Cassin's
Sparrows nest a second time in Arizona once the monsoon season has begun
there. I don't know who proposed this, but I bet it was Allan Phillips. Dave
DeSante also believes that coastal California American Robins nest here
early in the season then move up to the Sierras to breed a second time, he
has some banding info to support this, but not enough to convince anyone yet.
>
>We had this discussion quite a few months previous, actually. Someone
>might want to go back through the files to see if we had any further wisdom
>(or if we even agreed with what we're writing now)!

Was it here or was it on birdchat or on calbirds or in rec.birds? Who knows?
I am finding that these recurring topics keep me confused and forever
thinking that I am losing my memory. This is a good point for discussion,
what to do when a person re-starts a recent (or not so recent thread). One
option is to go and look it up in the archives, read the info and post a
question or just be content with the info in those postings and the thread
ends. However, the person starting the thread and the number of new tweeters
on line now versus when the thread originally started may have a lot to
offer as far as discussion and food for thought. On the other hand, the
people that participated in the previous discussion may not care to get into
it again due to thread burnout. What is a creative and useful way to deal
with recycled threads?

Alvaro Jaramillo "You are better off not knowing
Half Moon Bay, CA how sausages and laws are made"
alvaro at quake.net Otto von Bismarck,
but I saw it in a fortune cookie!

http://www.quake.net/~alvaro/index.html