Date: 10/11/18 11:11 am
From: JAMES SPEICHER <jugornought...>
Subject: Re: [MDBirding] Oddball Flicker behavior & hummer gone?
That description fits - was inside so no clue as to any verbalization...

Thanks for the Stoker reference.

Jim S

On 10/11/18, Jim Nelson <kingfishers2...> wrote:
> The Stokes Nature Guide, "A Guide to Bird Behavior" is a good resource
> for information on bird behavior. Volume I (1979), includes the
> then-named "Common Flicker". What you described sounds like what they
> refer to as "head-bobbing." Here is some of what they have to say about
> it:
> "Head-bobbing is the most common visual display of Flickers...It occurs
> most in spring and then is seen again in fall just before the birds
> migrate south. When it is done between a male and a female, it concerns
> courtship; when it is done between two birds of the same sex, it is
> generally competition for a mate or, more rarely, is a territorial
> dispute." They say it is usually accompanied by the "woikawoikawoika"
> call.
> I have seen such displays between pairs, threesomes or foursomes, and
> two birds of the same sex at different times.

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