Tadpoles look more like fish than frogs, they have long finned tails and breathe through gills.

In India, a 9-year-old girl was "married" to a stray dog, which tribal custom requires in order to protect a child whose first tooth appears on the upper gum.

A newborn kangaroo weighs approximately 0.03 ounces and is small enough to fit in a teaspoon.

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