Here are the specifications for what is allowed and not on the Avian Critique section. If you click on the “Read the full description link” you find all the details.
All images with birds as the main subject. Images of birds baited with seed, other non-live bait or recordings must be disclosed as such. Photos of captive birds taken at commercial game farms or photos taken using live bait are prohibited. Photos taken of captive birds at zoos and wildlife rehabilitation centers may be posted in the Human & Fauna Gallery - please disclose the name of the facility where the photo was taken, as well as any other information that would be of value to those interested in wildlife conservation and education.