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Pale Blue Flycatcher

Ha Fa Shan, Tsuen Wan
11 January 2014
I am not sure if it is a female Verditer Flychatcher or a Pale Blue as I only have a glance of it and took this photo, then it flew away.

Nikon D300, 300mm f4

[img]http://images2.fotop.net/albums2/cwchan/birds/DSC_5338.jpg[/img]

Good question

The key feature to look for is whether the under tail coverts (UTC) are dark with pale edges (Verditer) or all-pale (Pale Blue). Your picture shows part of the UTCs and these look to me to be completely pale.

Pale Blue is supposed to be longer-billed (hard to tell at this angle) and have a greyer belly (looks like it)

I'd be interested in others' opinions
Cheers
Mike

We've been here before...

For what it's worth, I think this is probably a female verditer based on bill structure and overall colour and pattern (especially the head)