Crow (Enemy)

Crows of Hyrule are extremely hateful and will perch themselves on anything they can find. They are sometimes hard to defeat, as they swoop down at high speeds, but a slash of Link's sword will send them away.

In The Minish Cap, Crows behave in much the same way as in other games, but play a more prominent role. When Link visits Dampé, he received the gate key needed to open the door to the graveyard. When he exits the house, a Crow swoops down, steals the key, and retreats to its nest. Link travels to the nest and is able to destroy it and steal the key back.

Majora's Mask
These birds could be seen flying around Termina. In the Swamp Shooting Gallery, you can shoot crows three at a time for 60 points each.

A Link to the Past, Link's Awakening, Oracle Games, Minish Cap, Spirit Tracks
In these games, crows were very common, sitting on trees or walls and waiting to attack Link as he walks by.

Trivia
The mirror image in the Dark World of the crows are the Rhinobirds in A Link to the Past.