About 500 million years ago, a squishy, thumb-size sea creature did a little dance — waving its upper limbs around in the ocean in a never-ending attempt to ensnarl some tasty morsels floating by.

An adorable mama goose deserves the Mother of the Year award for doing a precious little tippy-tap dance in a puddle to bring up worms for her goslings. Not only is her dance too cute to miss, but it ...