The melon organ is made up of fatty tissue, not brain.
It is so called because this fatty tissue resembles the appearance of a melon.
It acts like a lens that converges sound in one direction & radiates it forward.

Penguins live only in the Southern Hemisphere. Penguins are thought to be found only in cold areas, but they also live in warm areas.

It is called nuptial color, which looks yellow or golden. This is how they show off their presence.

Because they have a lot of fat, they are able to maintain their body temperature.

The name comes from the fact that they have a soft shell like a pancake and that they can inflate by breathing heavily.