Birds are avian creatures that Wario commonly encounters during his adventures in the Wario Land series, specifically in Wario Land II and Wario Land 3. The appearance of the birds changes between the two installments, but their function is very similar. They attack Wario by charging at him.
Wario Land II
Birds appearing in Wario Land II have slim, torpedo-like bodies, and are light-blue with a reddish-orange beak in the Game Boy Color-enhanced version. When Wario approaches them, they charge at him in a straight line. When they hit Wario, he will lose some of his coins and be thrown back. Birds can be defeated by jumping on their heads and sometimes Wario has to take advantage of this, using them as stepping stones to reach higher locations. Unlike other enemies, birds respawn when the screen is not focused on their original spot.
It appears that birds are regular animals in this game, rather than members of the Black Sugar Gang.
Wario Land 3
Birds with a different appearance can be found in Wario Land 3 as well. They are more pudgy in this installment and they come in two colors, namely blue and orange. Their behavior is similar to that of the previous birds, meaning that they will attack in a straight line when they spot Wario. What will happen upon impact depends on the color of the attacking bird. Blue birds will cause Wario to be launched backwards while the orange ones will spin him around and turn him into Crazy Wario, so he has to enter water before the player can proceed. The orange ones only appear in The Grasslands.
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