Top: in Super Mario Odyssey, when Mario falls asleep in most outdoor areas, a bird will land on his nose. A detail that is very difficult to notice unless specifically falling asleep next to other birds is that Mario's dedicated nosebirds are actually smaller than the other birds in the rest of the environment.
Bottom: in addition, these birds have a 15% chance of being a rare alternate type in the Wooded, Metro and Mushroom Kingdoms (top row: common type, bottom row: rare type). The alternate colorations also do not appear naturally in the environment and are nose-exclusive.
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