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Original Description:
According to my research: when birds preen, they’re cleaning and arranging their feathers. Not massaging their “wrists”. :P …But seriously, stop chewing on your wrists.
Also, yes, I realize I made the neck too long. But that wasn’t the point, anyway, and I’m 23 min over my original time limit.
To push it even further, ponies would be entirely incapable of preening in the first place, as they lack both a beak and a uropygial gland. They’d be dust bathers!