animal artiodactyla Bovidae Domestic brown cattle cloven cow domestic cattle Highland Cattle horn appearance appearances black bovidae browser capra-aegagrus-hircus domestic domesticated even-toed expression eyes farm-animal farmyard floppy-eared floppy-ears goat goats horizontal-slit-shaped-pupils horned horns livestock long-eared lustrous mammal pet rest resting ruminants sleepy sleepy-eyed ungulates white bearded curved-horns goatee adventure boys climb climber climbers climbing evergreen fun public-parks shade shady tree