galapagos hawk (buteo galapagoensis)

galapagos hawk buteo galapagoensis islands bird prey chocolate-brown plumage black feathers strong talons sharp beak dark brown eyes juveniles mottled apex predator social behavior cooperative hunting courtship group living scavenger small mammals lizards insects endemic species conservation raptor ecosystem predator-prey relationship territorial soaring flight high perch calls underbelly wing span endangered evolution adaptation island wildlife tropical ecuador south america population natural habitat unique biology ornithology biodiversity preservation selection environmental role migration patterns avian ecology