Even-toed ungulates bear their body weight on their own third and fourth toes. This group includes animals for example pigs, hippopotamuses and deer. This group also includes the cetaceans, but these animals have developed flippers as opposed to toes. Like reptiles, birds hatch from eggs. Researchers now believe that birds https://zooxxx83703.theobloggers.com/38098251/helping-the-others-realize-the-advantages-of-zoo-porn