The desert tortoise is a medium-sized species of tortoise that is found in the south-western desert regions of Northern America, and parts of northern Mexico. The desert tortoise is most commonly known for its high, patterned shell and the fact that is lives in burrows underground.
The desert tortoise is found inhabiting the vast sandy plains and rocky foothills that are in and surround both the Mojave and Sonoran deserts. When temperatures get too high for the desert tortoise it simply digs itself a burrow into the sand where it can remain cool until the heat dies down.
The desert tortoise has a number of biological adaptations that enable the desert tortoise to survive more suc
Bull sharks are mainly found in the warmer and shallower coastal waters of the southern hemisphere. The bull shark is one of the most common species of shark found worldwide.
The bull shark is able to inhabit both salt and freshwater sources just as happily, with one bull shark known to have swum 4,000 km up the Amazon River in South America, finally ending up in the mountainous Peru.
The bull shark is well known for its unpredictable and aggressive temperament and is thought to be one of the most dangerous sharks towards humans. This is probably because the bull inhabits coastal waters and rivers and is therefore more likely to come into contact with swimmers and water sports en
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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),
