A young, juvenile great frigatebird tries to cool down by vibrating its throat and flapping its wings in the sun on North Seymour Island near Santa Cruz in the Galápagos Islands

frigatebird frigate bird great frigatebird galapagos galapagos islands juvenile preening young chick nest breeding bird fregata minor seabird seymour island north seymour north seymour island fregatidae santa cruz santa cruz island overheating bird colony colony ecuador island plumage feather feathers sea bird hot dry standing wind volcanic birds darwin charles darwin conservation south america wings avian aves beak marine guano rocky endemic preen