Small falcon Falco columbarius of Eurasia and North America, where it is also called pigeon hawk. The male, 26 cm/10 in long, has a gray-blue back and reddish brown barred front; the female, 32 cm/13 in long, is brown with streaks.
A small compact falcon (Falco columbarius) of the northern hemisphere having a broad dark terminal band on the tail and upperparts that are slate blue in males and brown in females

(Arthurian legend) The magician who acted as King Arthur's advisor.
Legendary magician and counselor to King Arthur. Welsh bardic literature has a cycle of poems attributed to him, and he may have been a real person.