The Chinese character '羊,' read as 'yang' (meaning "sheep"), likely depicts a goat instead. When it was created, goats were far more common in East Asia. The "Year of the Sheep" in the Chinese zodiac was originally closer to the Year of the Goat.
Newborn horses don't have hard hooves. A jelly-like covering called "foal slippers" wraps around their hooves, protecting the mother during pregnancy and birth. These coverings naturally fall off once the foal begins to stand and walk.
Walking with same-side arm and leg moving together (lateral walk) is actually the most common gait among mammals — dogs, cats, elephants, and deer all walk this way. In Edo-period Japan, people also walked this way, using a style called "nanba."
Sloths risk their lives weekly climbing down to poop — because of moths. Moths lay eggs in sloth dung, then return to live in sloth fur. Their activity grows green algae on the fur, which sloths eat. Their own body becomes a snack farm.