► Details Suggestions (1) Phrases (6) See more in the Dictionary Phrases (6) gwylan benddu black-headed gullgwylan gefnddu fwyaf greater black-backed gullgwylan gefnddu leiaf lesser black-backed gullgwylan goesddu kittiwakegwylan y gweunydd common gullgwylan y penwaig herring gull Sign in or Register to see the full entries