Swallown

Swallown (スワロン) is a bird enemy in Mega Man 4. It is found mainly in the rainy areas from Toad Man's stage. It has smaller version of him called Coswallown (コスワロン) following it, and they dive at Mega Man, while the larger one goes in a bee-line forward.

Trivia

 * Swallown is called Rocket Bird in the instruction manual from the Mega Man for Game Gear.

Similar enemies
Enemies similar to Swallown: 
 * Pipi
 * Metal Wing
 * Row Bird