At birth, a blue whale calf weighs as much as an adult elephant. It will grow at a phenomenal rate, gaining around 10 pounds an hour or 250 pounds a day. This is possible because of its mother, whose ...

Native to Asia and sub-Saharan Africa, pangolins are the only mammals covered in scales. Pangolins are also one of the world's most trafficked mammals, prized for their meat and scales, which are used ...