least tern
small, slender-bodied bird black crown and nape pale grey-white underparts grey back with dark wings forked tail yellow bill black legs and feet sharp, shrill call
least tern which has small, slender-bodied bird least tern which has black crown and nape least tern which has pale grey-white underparts least tern which has grey back with dark wings least tern which has forked tail least tern which has yellow bill least tern which has black legs and feet least tern which has sharp, shrill call