[wisb] Re: Question: Least Bittern vocalizations
- From: Richter Museum <richter@xxxxxxxx>
- To: "'tiger150@xxxxxxxxxxx'" <tiger150@xxxxxxxxxxx>, "'wisbirdn@xxxxxxxxxxxxx'" <wisbirdn@xxxxxxxxxxxxx>
- Date: Thu, 26 Jun 2014 13:21:06 +0000
All, many years ago while leading a bird tour at the "Old" Oconto Marsh
Impoundment, where Least Bitterns were common breeders we heard a call coming
from willow shrubs out in the marsh north of the dike, which I passed off as
Least Bittern until we noted a cuckoo out there foraging and singing!! Cuckoos
are out there and this year they seem to be up in numbers.
Tom Erdman, Green Bay
-----Original Message-----
From: wisbirdn-bounce@xxxxxxxxxxxxx [mailto:wisbirdn-bounce@xxxxxxxxxxxxx] On
Behalf Of tiger150@xxxxxxxxxxx
Sent: Wednesday, June 25, 2014 8:04 PM
To: wisbirdn@xxxxxxxxxxxxx
Subject: [wisb] Question: Least Bittern vocalizations
On June 19 near the Paul Olson Wildlife Area of Wood County, I heard what I
can't imagine being anything other than a Least Bittern. And while the species
itself is not a rarity, I was unable to find anything online that matched the
vocalization I heard. I couldn't use my tape recorder because of wind and
traffic, but I could hear the bird clearly: a low-pitched "cow, cow, cow, cow,"
with each note descending and at an even tempo. There was about a half second
lag between each note, making it slower than the typical call of a Least
Bittern. The sound came from the middle of a sedge marsh, which would eliminate
Black-billed Cuckoo. Has anyone else heard Least Bitterns make this kind of
call, or is there some other species I'm completely missing?
Gotta love when birds make you scratch your head...
Alyssa DeRubeis
Stevens Point, Portage Co.
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