spot billed pelican or grey pelican pelecanus philippensis, yala national patk, sri lanka

animal asia aves behavior billed bird continent diet environment eurasia feeding flap fly freshwater front grey indian iucn lanka list locomotion low matter month motion national natural near overpark patk pattern pelecanidae pelecaniformes pelecanus pelican philippensis piscivore protection red species spot sri substance surface swamp wetland wild wings yala