One in the front moving to the left while a flock at the back at the edge of the water moving also together to the left, Spot-billed Pelicans Pelecanus philippensis, Thailand

spotbilled pelican pelecanus philippensis gray pelican nakhon nayok thailand asia southeast asia india indonesia birds animals coastal areas lakes monotypic water bird wader feathers bill beak pouch crest tail sri lanka cambodia nature wildlife natural habitat colonial breeder wetlands mashes estuaries colony migratory nomadic terrestial territorial congregatory carnivore monogamous near threatened pond water trees green white waves bushes grass wading