What bird was the nickname of a famous Expo outfielder?

The bird that was the nickname of a famous Expo outfielder is Tim Raines, who was known as "Rock" Raines. Raines played for the Montreal Expos from 1979 to 1990 and was a standout player known for his speed and base-stealing ability. His nickname "Rock" was a play on his last name and his solid performance on the field.