Tigers have ‘false eyes’ on the back of their ears to discourage predators from attacking them from behind. They are also thought to be used to make themselves appear more alert and aggressive when threatened. – WTF Fun Facts
Source: https://seaworld.org/animals/all-about/tiger/characteristics/
Sloths poop once a week. This is the only reason they will leave their tree. It’s always a life-threatening situation for them as predators can easily prey on them while they do their “poo dance” at ground level. – WTF Fun Facts
Source: https://animals.howstuffworks.com/mammals/sloths-only-poop-once-week.htm
One of the largest and oldest organisms on Earth, the ‘Trembling Giant’, is slowly dying to mule deer. The 106-acre pando quaking aspen colony in Utah, which is nearly 80,000 years old, is being thinned by the deer eating its new stems. The mule deer are thriving as they currently have no natural predators. – WTF Fun Facts
Source: https://www.livescience.com/63852-failing-aspen-clone-utah.html