20 Lesser-Known Facts About Animals That Are Utterly Adorable

Most of us have superficial information about animals and their lives. Some of us just care about the cute and beautiful animals. But, scientists have estimated that there are about 8.7 million species of plants and animals in existence, however, only around 1.2 million of them have been identified and described so far (most of which are insects). This means that millions of other organisms remain a complete mystery.

Pregnant dolphins sing to their unborn babies. Research found that mama dolphins sing them their "signature whistle," which is pretty much the equivalent of them teaching the babies their name. Dolphins teach babies a 'signature whistle' two weeks before birth. The whistles are sounds made by individual dolphins that identifies them.