Author 'Francis-Sisco' (Id 245120 ) : In a little wood of birch, the bird is not too funky ; it is especially curious.
Details : The circle eye white would be very thin at the Flycatcher willow, slender but full in the Flycatcher alder and even more net in the Flycatcher tchébec. Lien : Https://fr.wikipedia.org/wiki/Moucherolle_tch%C3%A9bec