Inca Tern bird

Inca Tern, Larosterna inca, seabird, South America, Humboldt Current, Peru, Chile, fishing bird, coastal species, marine habitat, dark plumage, white moustache, yellow bill, red legs, breeding colonies, cliff nesting, guano islands, unique appearance, ornate crest, fish eating, diving behavior, plunge diving, breeding season, population trends, conservation status, endangered species, seabird colony, wildlife photography, birdwatching, ornithology, bird identification, coastal ecosystems, marine biology, bird sounds, vocalization, migration patterns, guano production