Adult Swallow-tailed gull (Creagrus furcatus) in flight in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

galapagos islands ecuador avian wildlife coastal bird marine environment tropical habitat seabird nature observation biodiversity animal behavior conservation area ocean sky soaring wingspan adult gull flying bird marine ecosystem wildlife tour ecological importance endemic species birdwatching coastal landscape natural beauty avian diversity island ecology tropical birds shorebirds seasonal migration flight patterns wildlife habitat natural habitat ornithology bird species ecological balance coastal ecosystems unique species bird migration nature enthusiasts adult swallow tailed gull creagrus furcatus flight galapagos