Close up of a pelican resting with other pelicans in the background

pelican resting bird wildlife nature habitat conservation zoological exhibit avian outdoor species environment fauna observation feathers aquatic bird zoo animal captivity viewing birdwatching wetland sanctuary animal care zoology natural habitat waterfowl serene tranquil aquatic habitat water bird wetland bird peaceful animal kingdom plumage grooming preening pelican behavior flock communal large beak close up white plumage beak pouch eye detail aquatic environment zoo enclosure pelican species zoo