Saturday, March 28, 2015

A good day for skulkers


Below some shots of 3 fine skulkers taken Saturday, March 28, at Hanoi.

Pale-footed Bush Warbler, a shy and rarely seen inhabitant of thickest scrub
I finally managed to get some (poor) shots of one individual (playback of recently recorded songs has been used), which unfortunately remained in thick cover. A master skulker!

This species resembles Asian Stubtail and Pale-legged/Sakhalin Leaf Warbler, which share similarly pale legs and a contrasting face pattern. But they are easy to separate by structure and some pattern differences.
As I wrote in my last post, I found 1,5 week ago several songsters along the Red River, in dense scrubs and tall rank grasslands with scattered scrub in clearings and edges of a small wooded patch.

Today, a "tape-and-wait" session led to the discovery of 4-5 individuals along a 200m section. As I never recorded the  Pale-footed Bush Warbler in Hanoi in winter, it would be quite normal to consider them as passage migrants. But I strongly believe that this species is well present in winter. Skulking and silent birds are elusive and easily overlooked. Only singing males reveal their presence.

Asian Stubtail - passage migrant
Striking supercilium with dark eye-stripe as Pale-footed Bush Warbler, but obvious structural differences

Siberian Blue Robin (m) - passage migrant
Not a cryptically colored bird, but secretive and quite difficult to see well
Source : vietnambirdnews[dot]blogspot[dot]com
post from sitemap

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