Birds in this order are sometimes referred to as songbirds, because many of them produce distinctive and sometimes quite beautiful songs. These songs are enabled by the syrinx, a specialized vocal organ in birds which is located at the branch of the lungs. The location of the syrinx allows birds to produce two different sounds [...]

These animals have very stout, muscular bodies which are designed for immense speed and strength. When threatened, a zebra can choose to run, often choosing a zig-zagging pattern to distract the predator, or they can fight, using powerful jaws and heavy hooves to attack their enemies. Like asses, zebras have tufted tails, and they also [...]

The Chupacabra first made headlines in 1995 when reports surfaced that an unknown creature had attacked eight sheep on a farm in Puerto Rico and drained their blood. Soon after, reports of similar attacks on livestock began popping up in the United States, Mexico, Nicaragua, Argentina, Panama, Brazil, Peru, and other countries. 2006 was a [...]

Most feral animals in any particular region arrive there due to human activity. In order for them to become feral they must be able to survive in the habitat independently. For this reason exotic pets do not normally survive long enough to be deemed feral. Feral animals commonly include livestock such as goats and pigs [...]

Numerous things generate carbon dioxide naturally including respiration, volcanic eruptions, and fires. In a natural cycle, much of this carbon dioxide is taken up by trees, who use it for energy, producing oxygen as a byproduct. Carbon dioxide is actually a very important greenhouse gas, and an important part of the process which makes Earth [...]

Classically, the squid has an elongated body, marked at one end with two fins used to stabilize it while it swims. It has 10 arms, including two longer tentacles, which are used for grasping and manipulating food. The body of a squid is covered with a mantle, a flexible layer of tissue which protects the [...]

The blobfish can grow up to 12 inches (30.5 cm) in length. A deep sea fish, it lives at depths of up to 2,700 feet (823 m) in the waters off the coasts of southeast Australia and Tasmania. There have been few sightings of this peculiar creature because of the extreme depth of its habitat. [...]

The smallest grouse is the White Tailed Ptarmigan, which makes its home throughout most of North America. These can be found as far north as Alaska, and are considered an alpine species. There are a few populations of ptarmigans that live as far south as New Mexico. The White Tailed Ptarmigan is hunted, even though [...]

The glaciated valley which forms the basis of a fjord exists because of the slow movements of glaciers during the ice age. The glaciers carved out typical u-shaped valleys in the Earth with their movements and sheer weight, pushing detritus to the mouth, where it would connect the ocean, if it was not filled with [...]

The earliest version of the battery cage was developed around the 1930s, and it quickly became a runaway success in the poultry industry. Several things distinguish a battery cage, also known as a laying cage. The first is the slanted floor, which is designed to allow eggs to roll out of the cage and onto [...]