Koalas must consume a specialized type of their mother’s feces straight from her anus to survive, as it trains their digestive systems (Image: Wikimedia Commons). Nature plays its own tricks on us. It features a bunch of incredibly adorable but lethal creatures. Though they appear straight out of a children’s book or your cuddly bedside companion—soft, big-eyed, and utterly irresistible—they harbor surprisingly odd secrets. Here’s a verified list of cute animals with habits that might give you second thoughts! 1. Sea Otters: Adorable yet hiding a sinister edge. Male sea otters have been observed holding another otter’s pup hostage in certain instances (Image: Pexels). Sea otters are well-known for floating together while holding hands and employing rocks to smash open shellfish.