Warusagi Birds

Warusagi Birds: These birds are an crane like species that is found in Sandora Desert. They would lay on the ground, pretending to be dead but when the travellers pass, they would steal their belongings. They were known as "thief birds''

Luffy found few of them, thinking they are dead ordered Chopper to help them but Vivi tries to warn them however it was to late, the baggages they were carrying were stolen.