Caspian Terns (Hydroprogne caspia) at breeding colony on Ile des Oiseaux in the Parc National du Delta du Saloum, UNESCO World Heritage Site, Senegal, West Africa, Africa

casian terns senegal birds wildlife nature conservation nesting young birds habitat wetlands environment biodiversity shorebirds foraging waterbirds avian colony migration species coastal habitat sand vegetation shores fauna ecology senegal river birdwatching outdoor preservation tourism natural habitat ecosystems delta shallow waters marine sandy beaches wildlife observation animal behavior natural world breeding season avifauna ornithology wading birds social behavior nesting sites coastal conservation caspian