[yo FOO xD]

rabbitncavyluv, I see birds and reptiles in shelters all the time. They are not adopted out quickly because most people don't think about rescuing an animal, they go to a pet store for a bird or reptile. There's even independent bird and reptile rescues. Fish aren't really ever in shelters because people that WOULD take them to a shelter from not wanting them will probably just flush them down the toilet or something.