Interdigital corns in a black rhinoceros.
D000818:Animals; D000836:Animals, Zoo; D002145:Callosities / Q000601:surgery / Q000662:veterinary*; D005552:Forelimb; D008297:Male; D010212:Papilloma / Q000662:veterinary; D010527:Perissodactyla; D012878:Skin Neoplasms; D014034:Toes