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Any updates on the nesting Cerulean Warblers?
Kathy
[log in to unmask]
From: Dave Zumeta <[log in to unmask]>
To: [log in to unmask]
Date: 05/29/2014 09:09 PM
Subject: [mou-rba] [mou-net] Cerulean Warbler nest and two singing
Hooded Warblers at Murphy-Hanrehan Regional Park
Sent by: Rare Bird Alert <[log in to unmask]>
In late morning on Monday, May 26, I observed a female Cerulean Warbler
building a nest about 50 feet up on the branch of an oak tree almost
directly over the trail about 100 feet south of trail marker 18 in
Murphy-Hanrehan Regional Park. Over a 10 minute period, she returned to
the nest location five times, apparently bringing nesting material and
shaping the nest as she sat on it. A male Cerulean Warbler was singing
nearby, as was a Blue-winged Warbler. The section of the trail where the
nest is located is open for hiking and birding. According to Bruce Fall of
the University of Minnesota, the foremost expert on the birds of
Murphy-Hanrehan Regional Park, it appears that this is the first
documented nest for Cerulean Warbler in the park. I am not certain if a
nest of this species has been found previously in Scott County.
On the same day I also saw a male Hooded Warbler and heard him
singing just off the south side of the trail about 100 feet east of trail
marker 10 (a Blue-winged Warbler, Veery, and Willow Flycatcher were all
singing nearby), and I heard another Hooded Warbler singing north of the
trail between trail markers 14 and 15. Once again, the areas where these
birds were observed are open for hiking and birding. The latter location
is easily accessed from the road along the northeast section of Murphy
Lake. From the road take the horse trail for a few hundred feet to trail
marker 14. Accessing trail markers 10 and 18 involve longer walks into the
interior of the park. In the half mile of trail between trail markers 18
and 10, I also observed six male Scarlet Tanagers, several of which were
singing.
If you look for these birds, please do not play tapes or pursue them off
the trails. Cerulean Warbler males react very aggressively to tapes
and remain agitated for quite some time after tapes are played. Please
remember that both the Cerulean Warbler and Hooded Warbler are designated
as Special Concern status on the State of MN Endangered Species list. Tape
playing or otherwise disturbing these species is strongly discouraged.
Take some insect repellent, as you may need it.
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