Stirge

Feathered, bird-like creatures with long, sharp beaks.

AC7 [12], HD1* (4hp),
Att 1 × beak (1d3 + blood sucking), THACO 19 [0],
MV 30’ (10’) / 180’ (60’) flying, SV D12 W13 P14 B15 S16 (2),
ML 9, AL Neutral, XP 13, NA 1d10 (3d12), TT L

• Dive attack: First attack is at +2 to hit.
• Blood sucking: Upon a successful attack, attaches and drains victim’s blood: 1d3 automatic damage per round.
• Detach: If stirge or victim dies.

Source: Classic Fantasy