An adult yellow-footed gull (Larus livens) on the nesting area on Isla San Esteban in the midriff region of the Gulf of California (Sea of Cortez), Baja California, Mexico

gulf of california sea of cortez baja peninsula baja california mexico baja yellow footed gull yellow footed gull larus livens yellow footed gull terns seabird sea bird bird endemic breeding nesting adult isla san esteban one animal single lone sitting beak open rocks