WilHeeney's picture

Willow Warbler?

Observed: 9th April 2011 By: WilHeeneyWilHeeney’s reputation in BirdsWilHeeney’s reputation in BirdsWilHeeney’s reputation in Birds
P1020637-1
Description:
Identifications
Species interactions

No interactions present.

Species with which Chiffchaff (Phylloscopus collybita) interacts

Comments

ianlawrenceuk's picture

Willow Warbler vs Chiffchaff

I thought it was nearly impossible to tell the two birds apart. The only certain method of identifying the bird would be to listen to it's song.

ophrys's picture

impossible to tell the two birds apart

Not at all. As I suggested above, Willow would have a longer, clearer supercilium, the legs would be pale and the amount by which the primary feathers extend beyond the tertials would be greater. That latter point is the best feature.

Often, on iSpot, these features are obscured and then it is best to be cautious, but this photo shows all the features very well, so ID is easy.

Ian
_________________

My Flickr photos...

http://www.flickr.com/photos/52163027@N02/