Firstly the Dodo was a bird but it was large and heavy, and it couldn't fly. It lost the alibity to fly because there were no predators on Mauritius. Secondly, the Dodo wasn't afraid of humans. Because there weren't any people on Mauritius until1600. So when people arrived with monkeys. Pigs and other animals, the Dodos habitat changed very quickly. Dodo nest and eeg were destroyed by the new predators and the adulf birds were probably shot or chught. The forest was changed too by people who started to fatm the land.