Subject: Re: bird cooperation
Date: Nov 9 09:58:55 1995
From: Eugene Hunn - hunn at u.washington.edu


Or it's a time-share condo arrangement.

Gene Hunn.

On Thu, 9 Nov 1995, Ted Becker wrote:

> A couple years ago I spotted a chickadee going and coming from a hole in a snag outside my window. A day or so later I saw a Downy Woodpecker vigorously excavating the same hole. Much to my surprise another day or so later the chickadee was back and I observed activity over a period of weeks that indicated the chickadees nested in the hole. I don't remember if the chickadees were black-capped or chestnut-backed, I have some of both year round.
>
> So, in addition to Steve's question, is it possible Downy Woodpeckers contract out tree excavating services?
>