Pelican , Lesser Crested Tern , Crab Plover , Greater Sand Plover , Mongolian Plover , Terek Sandpiper , Southern Banded Snake Eagle , Mangrove Kingfisher , Grey-rumped Swallow and Spotted Ground-Thrush . The southerly Nhaquene Swamp and Saco Bay are strongholds for the Sooty Falcon , while Terns roost on