This be pretty well known. Check out Bents Life Histories of North American
Birds, Cuckoos and allies, etc.
. page 54 under Yellow-billed and read all
the accounts. They not only lay in each others nests but sometimes other
species as well. Ive seen egg sets with apparently both species, the
Black-billed eggs are slightly smaller.
Tom Erdman, Oconto, WI
Sent from Mail<https://go.microsoft.com/fwlink/?LinkIdU0986> for Windows 10
________________________________
From: wisbirdn-bounce@xxxxxxxxxxxxx <wisbirdn-bounce@xxxxxxxxxxxxx> on behalf
of Sandy Rueckert <sandyrueckert@xxxxxxxxx>
Sent: Wednesday, September 26, 2018 2:40:11 PM
To: wisbirdn
Subject: [wisb] Cuckoos
I volunteer at the Humane Society Wildlife center and noticed one of their
handouts said cuckoos laid their eggs in other nests. I told them this was
true for European cuckoos but not American cuckoos. I got a reply back that
black and yellow billed cuckoos were interspecific and intraspecific
nest parasites, with yellow billed cuckoos using other nests more than
black billed.
I had never heard this about cuckoos here; anyone else have any info on
this?
Sandy
Middleton
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