Animal kingdom
4 checked facts in this niche — each with its receipts.
Wombats are the only known animals that produce cube-shaped droppings, formed by varying elasticity along the walls of their intestines.
Sharks have existed for roughly 450 million years, which means they predate the first trees — which appeared around 385 million years ago — by about 65 million years.
The wood frog (Rana sylvatica) survives being frozen solid for weeks each winter — its heart stops, its blood stops flowing, and up to 65% of its body water turns to ice — then it thaws and hops away in spring.
If you've ever messed with a crow, it will remember your face
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