Birds are enemies in Ninja Gaiden (NES).
Ninja Gaiden[]
Introduced in Act 3-1, the Birds are one of the most infamous and common enemies in the game. Their pattern is simply flying at Ryu relentlessly. Vertically, they move very slowly aligning themselves with Ryu. Horizontally, they are slow to accelerate but have a wickedly high top speed. They do a whopping 3 damage on contact, but they can easily be killed in one hit by any attack. Other ways of dealing with them are to either trick them into flying offscreen, or simply stand put and wait for the bird to come to Ryu.