[CT Birds] Ring Necked Ducks-sexes
ghanisek at rep-am.com
Thu Mar 8 23:03:38 EST 2012
I did a little checking on this. According to Birds of North America on
Line, the males and females winter in different numbers at different
latitudes, which suggests that they also have different migration schedules.
This is true of other birds, such as male Red-winged Blackbirds arriving on
territory ahead of females.
----- Original Message -----
From: "Paul Desjardins" <paul.desjardins2 at gmail.com>
To: <ctbirds at lists.ctbirding.org>
Sent: Thursday, March 08, 2012 11:01 PM
Subject: Re: [CT Birds] Ring Necked Ducks-sexes
>I too wonder why there are so many more drake than hens. Someone mentioned
>that they suffer from more predation as they sit on the nest. Guess that is
>as good a reason as anything else.
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