sentences:  Other well known bird species include the golden eagle, grey heron, common kingfisher, common wood pigeon, house sparrow, European robin, grey partridge, and various species of crow, finch, gull, auk, grouse, owl and falcon.There are six species of reptile on the island; three snakes and three lizards including the legless slowworm.One snake, the adder, is venomous but rarely deadly.