verb (used with object), trundled, trundling. 1. to cause (a circular object) to roll along; roll. 2. to convey or move in a wagon, cart, or other wheeled vehicle; wheel: The farmer trundled his produce to market in a rickety wagon.
Hippos are threatened by habitat loss and poachers who hunt them for their meat and teeth. A male hippopotamus is called a âbullâ. A female hippopotamus is called a âcowâ. A baby hippo is called a âcalfâ. A group of hippos in known as a âherdâ, âpodâ, âdaleâ or âbloatâ. Hippos typically live for around 45 years. Hippos eat mostly grass.
Hippos are one of the few mammals that give birth under water, along with Cetaceans and Sirenians (manatees and dugongs). Baby hippos are born underwater at a weight between 25 and 45 kg (60â110 lb) and an average length of around 127 cm (50 in) and must swim to the surface to take their first breath.