Date: 3/19/17 7:50 pm
From: Suzanne Coleman <isooz...> [ILbirds] <ILbirds-noreply...>
Subject: Re: IBET Whistles and piping sounds query Cook co.
After I posted my email below I listened to sibley's sounds for mallards and it might have been male mallard courtship whistles.

Suzanne Coleman
Cook co.

> On Mar 19, 2017, at 9:34 PM, Suzanne Coleman <isooz...> [ILbirds] <ILbirds-noreply...> wrote:
>
> I was at a marsh tonight at nightfall and heard lots of whistles and piping sounds. I don't know what they were from. Any thoughts? It sounded like maybe even frogs but if so they haven't been there in past years that I recall. The birds I saw were mallards, shovelers, geese and I heard killdeer and snipe.
>
> Thanks for any suggestions.
>
> Suzanne Coleman
>

 
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