Emperor penguins use a huddling behavior to conduct heat efficiently. Similarly, honeybees conduct heat within their hives by huddling together and then changing positions from the center of the huddle to the edges in order to keep heat circulating. When it is warm, however, the bees transport water into their hives and then beat their wings in order to make cooling possible.

Emperor penguins

Explanation:

Evaporative and convective is Right answer.Fish and krill make up the main part of their eating routine alongside squid and scavangers. Like other penguin species, Emperor Penguins have an unpleasant and spiky tongue which causes them when attempting to eat tricky fish.   It  is the biggest of 17 types of penguin at 1.15 m (45 in.) tall. It is likewise the main creature to occupy the open ice of Antarctica throughout the winter.  The penguin is the tallest and heaviest of all living penguin species.A gathering of penguins is known as a province, a rookery or a Waddle, yet these terms are for a gathering of penguins ashore. A group of  of penguins drifting in the sea is known as a  raft.

Abay where the river empties into the sea