• 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.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Search results

thxpress_search_the_forum Search Opus
  1. T

    Need help with Vireo id's at Phoenix and Portal

    I don't know these species, but I think I detect greenish colour in the secondaries of the second bird which Sibley says indicates Cassin's. I'm unable to judge the various colour shades for the first...
Back
Top