Frysca

According to the Old English Dictionary:

an;

frysca

m. The name of some bird:--Frysca butio (butio is a bittern. but is glossed by cýta, Wrt. Voc. i. 29, 32: 63, 17: ii. 11, 35), Wrt. Voc. ii. 102, 34. Cýta, frisca butium, 126, 81. [Butio seems confused with buteo a buzzard.] frysca