administration birch birches building educate education junior primary school windows ape arboreal Asian great apes hairy highly intelligent intelligent mammals offspring orang-utan orangutan playful playing pongo abelii primate primates red red-haired young youngster baby child children feet foot girl grow infant limb little nature New newborn people person skin small toes animals appearance contestants dressage equestrian events grooming horsemanship horses juniors leisure outdoor-sport ponies pony posture Riders riding show show-ponies skills sport agile climber climbing great-apes highly-intelligent pongo-abelii rope african broad-mouthed collagen cow creases eating endangered flat-mouthed folds food gray grazer grey heavy herbivore herbivorous hide horns keratin large lattice-structured mammal megafauna mother odd-toed-ungulate perissodactyl placid powerful rhino rhinoceros snout southern-white-rhinoceros square-lipped rhinoceros strong thick threatened tough white rhinoceros wide-lipped rhinoceros wrinkled wrinkles calf