Many mammals sleep for a large proportion of each 24-hour period when they are very young. However, killer whales and some other dolphins do not sleep during the first month of life. Instead, young dolphins and whales frequently take rests by pressing their body next to their motherâs while she swims.
typhoon meaning, definition, what is typhoon: a violent wind that has a circular movement, found in the West Pacific Ocean: . Learn more.
Hurricane is the term used for a tropical cyclone in the Americas, or the northern hemisphere. All cyclones in the northern hemisphere spin in an anti-clockwise direction, whether they are hurricanes, or typhoons (the term for tropical cyclones in Asian waters).