Hi, all.
Since we've been on the topic of the nocturnal flight calls of grebes...
At 5:15 this morning (i.e., well before sunrise), Saturday, Sept. 26th,
I heard a Western Grebe giving the typical "advertising call" ("cree
creeE!") from out on the surface of Waneka Lake, Boulder County,
Colorado. Then I heard a little bit of splashing, and the bird took off.
It flew right toward me, giving just the first syllable ("cree") about
once every three seconds. It made a broad circle above where I was
standing, evidently gaining altitude, still calling at about once every
three seconds. Then it flew off to the northwest, still giving the same
"cree" call, audible, I would guess, up to at least 1/2 mile away in the
quiet night sky.
Well, it was a grebe of known identity, and it was night, and the bird
was calling. I guess that makes this the nocturnal flight call of the
Western Grebe!
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Ted Floyd
Editor, Birding
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