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What kind of Swift is it?

wkcheng

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1^# A A A Post at 9/01/2010 21:38 Show author

What kind of Swift is it?

A flock of House Swift was seen at Long Valley this afternoon (2010.01.09). There was at least 60 - 70.

However, I found there were swifts with white underwing. One of them was captured below.

Also a House Swift or other species?

Thank you for assistance in identification.

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kmike

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2^# A A A Post at 10/01/2010 00:54 Show author

This is a House Swift - you can see the pale rump on this clear photo.

Cheers
Mike K

Mike KilburnVice Chairman, HKBWSChairman, Conservation Committee

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ajohn

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3^# A A A Post at 10/01/2010 09:47 Show author

I agree this is a house swift. The underwing looks paler because of the angle of the bird, so that the wing is catching the sunlight

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wkcheng

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4^# A A A Post at 10/01/2010 21:33 Show author

Thanks both kmike and ajohn for the identification and explanation.

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