Glass bird

A glass bird is an enemy in Wario Land 4. It is a green bird with small wings which is only seen in two pink areas throughout the game, one in the 40 Below Fridge, the other in Crescent Moon Village.

Glass birds don't harm Wario in any way, but assists by spitting out spheres made out of glass or ice. Wario can catch these spheres and throw them at ! Switches or breakable blocks to reach the prize in a pink area.