Hi Tweets,
Black River Wetland Forest, Renton, King Co. July 4th, 2001.

I've been watching this Common Yellowthroat since spring. Yesterday I went
there to see what he is doing and if he has a successful nest. To my
surprise, he had a family but he was feeding some other young bird. The
young whom he was feeding was like a juvenile Brown-headed Cowbird. The
young was bigger than the male Common Yellowthroat who was feeding him. This
young was mature enough to have a bath by himself. And he was the only young
present there.

I found following link about common yellowthroat :
http://www.conservation.state.mo.us/nathis/birds/birdatlas/maintext/0400373.htm

My question is, are there any other bird nest's which gets parasitized by
this Brown-Headed Cowbird? Do their egg color needs to match perfectly? Do
they remove the origional egg? How ? What are other birds of northwest who
face this problem?

I've taken photographs which I'll post once I get them.

Narendra Bhagwat
Seattle.
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