Adult male great frigate bird (Fregata minor) with inflated gular on North Seymour Island in the Galapagos Island Group, Ecuador

animal group animal animal age animal anatomy animal behaviour animal gender animalia animals adult animal adult animals adult animal behaviours animal theme animal themes behaviour behaviours bird birds body color color image color images colour image colour images colour days day display displaying ecuador fregata minor frigate bird frigate birds frigatebird frigatebirds flight flying fly frigate frigates fully grown galapagos galapagos islands gal‡pagos gal‡pagos islands gular gular pouches gular pouch gular skin gular skins gulars great frigatebird great frigate habitat habitats in flight male males mature natural phenomena natural phenomenon natural world natural worlds nature north seymour island nest nesting nests no one no people no person no body no one nobody ocean outdoors outside pacific ocean pacific portrait sea bird sea birds seabird seabirds seas and oceans sex sgoa small group of animals vertical water s056 s056 te