• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
Feel the intensity, not your equipment. Maximum image quality. Minimum weight. The new ZEISS SFL, up to 30% less weight than comparable competitors.

Alder or Willow Flycatcher? Lisle, IL (1 Viewer)

esrpiano

Member
Flycatcher differentiation always stumps me! Opinions on this one? I'm torn between Alder or Willow (but could be wrong!)...

Seen on June 10 at Morton Arboretum in Lisle, IL.

Thanks all in advance!
 

Attachments

  • pic1.jpg
    pic1.jpg
    325 KB · Views: 29
  • pic2.jpg
    pic2.jpg
    315.2 KB · Views: 23

howiewu

Well-known member
They cannot be distinguished visually (that is, if you can narrow it to these two “Trails” species first).
 
Warning! This thread is more than 4 years ago old.
It's likely that no further discussion is required, in which case we recommend starting a new thread. If however you feel your response is required you can still do so.

Users who are viewing this thread

Top