Reptiles & Birds are one of the most common animals to NOT get adopted from shelters. Reptiles are often left because dogs & cats are more popular. The Animal Humane Society in Golden Valley, Minnesota had a big selection of Pigeons for a while, but luckily, all of the pigeons there, have been adopted! Reptiles like Bearded dragons are awesome pets to have if you don't want to have a bigger, wilder animal in your house. About 2,000 - 3,000 lizards are adopted each year in the U.S. It's harder to adopt lizards, so buying might be the easier option while it still wouldn't be the best. About 15,000 - 25,000 birds are adopted each year.Â