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Two East Hampton. N.Y IDs needed


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1 minute ago, Thunderbird said:

Parids (chickadees, titmice, etc.) are generally monomorphic, so it's not possible to tell male vs. female unless the birds are in hand. 

It is possible to tell (females behave differently during nesting season, etc.), but you have to observe them very closely.

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1 minute ago, The Bird Nuts said:

The bird on the left is a Tufted Titmouse and the bird on the right is a Black-capped Chickadee.

My policy of asking for IDs when I think I know what I saw is working out as I misidentified the last three that I thought I was familiar with.  

I now have 44 Ids; 12 from this year!

 

Thanks as always for the quick reply.

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3 minutes ago, The Bird Nuts said:

It is possible to tell (females behave differently during nesting season, etc.), but you have to observe them very closely.

Put the parents and chicks / fledglings in the car.  When you stop at a rest area, the female will be the one who has to take the chicks to the bathroom.

Edited by Charlie Spencer
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It may well be possible to sex these guys -- if you have a camera capable of picking up UV light. I don't know that anyone's done the work to say for sure, but it has been done with other Parids in Europe. The sexes are distinctly different in the lower part of the UV spectrum, which birds can see even though we can't.

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