Whale is the common name for a widely distributed and diverse group of fully aquatic placental marine mammals. They are an informal grouping within the infraorder Cetacea, usually excluding dolphins and porpoises. Whales, dolphins and porpoises belong to the order Cetartiodactyla with even-toed ungulates and their closest living relatives are the hippopotamuses, having diverged about 40 million years ago. The two parvorders of whales, baleen whales (Mysticeti) and toothed whales (Odontoceti), are thought to have split apart around 34 million years ago. The whales comprise eight extant families: Balaenopteridae (the rorquals), Balaenidae (right whales), Cetotheriidae (the pygmy right whale),
The African Bush Elephant is the largest of all living creatures on land today, with some individuals growing to weigh more than 6 tons. The Elephant is thought to have been named after the Greek word for ivory, meaning that Elephants were named for their uniquely long tusks. Although many of the ancestors of the African Bush Elephant became extinct during the last ice-age (including the Woolly Mammoth), there are three distinct species of Elephant remaining today which are the Asian Elephant (of which there are a number of sub-species), the African Bush Elephant and the African Forest Elephant. Although these two Elephant species are very similar, the African Bush Elephant is considered to
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African elephants are the largest land animals on Earth. They are slightly larger than their Asian cousins and can be identified by their larger ears that look somewhat like the continent of Africa. (Asian elephants have smaller, rounded ears.)
