 Kehaar : A black @-@ headed gull who is forced , by an injured wing , to take refuge on Watership Down , and befriends the rabbits when they help him . He is characterized by his frequent impatience , guttural accent and unusual phrasing . After discovering the Efrafa warren and helping the rabbits , he rejoins his colony , but promises to visit . According to Adams , Kehaar was based on a fighter from the Norwegian Resistance in World War II . 
