this is some really wild stuff here.. They can kill sheep.. Keas are often described as 'cheeky' as they are extremely mischievous and inquisitive by nature. Tests have shown they are capable of solving logical puzzles, such as pulling, or moving objects, so they can get to food. They have been seen to work in teams, in order to arrive at a certain objective. Keas are frequently found to pick the rubber seal from around windshields on parked cars. They are the most intelligent of the bird specie.. http://www.prlog.org/10126114-killer-parrot-leave-sheep-farmers-doomed-to-remain-unarmed.html