[CT Birds] Out of area - for now
rmharvey at snet.net
Wed Oct 12 12:13:37 EDT 2016
That's quite a leap from "first documented" to "if nest usurpation behavior becomes prevalent".
Beacon Falls, CT
----- Original Message -----
From: Don Morgan via CTBirds <ctbirds at lists.ctbirding.org>
To: ctbirds at lists.ctbirding.org
Sent: Wednesday, October 12, 2016 12:07 PM
Subject: [CT Birds] Out of area - for now
>From BW Digest email:
_D. Niler Pyeatt_
(http://www.wbu.edu/academics/schools/social_sciences/pyeatt/bio.html) first noticed American Robins nesting in a cottonwood tree
outside his office window at Wayland Baptist University, in Plainview,
Texas, north of Lubbock, in April 2014. Days later, he saw a Eurasian
Collared-Dove taking interest in, approaching, and eventually sitting in the nest
when the robins were absent.
Within two days, the collared-dove began chasing the attending robin off
the nest. “The collared-dove would land on a branch next to the nest with
the robin and puff its chest and flap its wings rapidly until the robin left
the nest,” Pyeatt and biologist _Andrew Kasner_
(http://www.wbu.edu/academics/schools/math_and_science/kasner/default.htm) report in the _Wilson
Journal of Ornithology_ (http://www.wilsonsociety.org/pubs/index.html) .
Just a day later, the collared-dove drove the robins away and took over
the nest. In late May, the collared-dove fledged two young from the nest.
It was the first documented piracy of a songbird nest by a Eurasian
Collared-Dove. The species is invasive and widespread in North America, ranging
from central Alaska to western Panama and the Caribbean.
“The potential exists for significant effects on songbird nest success
throughout the range occupied by collared-doves if nest usurpation behavior
becomes prevalent,” the researchers write. “Such effects would not be
restricted to urban areas, as collared-doves are rapidly expanding into rural
areas as they disperse along human-altered landscape features.”
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