Adult Nazca booby (Sula grantii) feeding on halfbeak, and defending its catch against a frigatebird, in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

nazca booby frigatebird halfbeak galapagos islands bird behavior feeding wildlife marine life survival competition sula grantii ecology natural habitat predator prey seabirds island ecosystems biodiversity ocean avian conservation animal behavior feeding habits nesting obligate siblicide ecuador unesco natural selection evolution flight wings hunting defense territory adaptation nature aquatic animal interactions marine birds coastal social behavior food chain ecosystem species habitat territorial disputes feeding frenzy waterfowl natural history