• 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.

Arizona Hummer (1 Viewer)


Taken in Central Southern Arizona, Aug 21, 11.

This was in the lowlands on a cloudy day... South of Green Valley Az.

Female Calliope maybe???


  • Hummer1.jpg
    115.1 KB · Views: 77
It's either Costa's or Calypte[Calliope Senior moment there.] Based on the distictly white anterior malar area, grayish rather than buffy flanks, and vague pale eyebrow visible in the photo I'd be inclined to guess Costa's.

Last edited:
Fraser, would love to help but I have no idea. You might want to try posting in the hummingbird forum. It might get more replies.
Warning! This thread is more than 13 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