The Caspian tiger is also known as the Persian tiger and was known to be a beautiful animal, thought it is thought to have become extinct by the late 1950s. There have been several supposed sightings of the tiger since then, but nothing has been proved, which means that the species is truly extinct or just not available in large... 

Thylacine is the real name for Tasmanian tiger. It was the largest known carnivorous marsupial of modern times. It is believed to have become extinct in the 20th century. Its dwelling is in Australia and New Guinea. Thylacine is the actual for the tiger, though; Tasmanian is the name which is more commonly used. Although a good number... 

The Newfoundland was a subspecies of the grey wolf, which is a predator with whom the cattlemen and ranchers still take issue today. The Newfoundland wolf lived on the island of Newfoundland which is off the east coast of Canada. The Newfoundland wolf was a large wolf which was said to be white, with a black stripe down its spine. Newfoundland... 

Was a species of bear which was related to the brown bear or grizzly bear of modern times. It lived and ranged in Europe and went extinct about the end of the ice age, which ended about 20 thousand years ago. Fossils of the bear were found primarily in caves, which is where the bear got its name. It was half again as large as a... 

The Passenger Pigeon, which numbered once in the tens of billions, lived in North America east of the Rocky Mountains. Their flocks, a mile wide and up to 300 miles long, were so dense that they covered the entire sky for hours as the flock passed overhead. Population estimates from the 19th century ranged from 1 billion to close... 

The Dire Wolf is an extinct North American species of wolf which was a great deal larger than our wolves of present day. For about 100,000 years it lived alongside its cousins, the Gray Wolves, although they are not directly linked. The Dire Wolf was much larger than the Gray Wolf, and in fact was the largest living wild canine.... 

Steller’s Sea Cow was a mammal which ate vegetation and adapted to living entirely in the water. Could an animal that supposedly went extinct in 1768 still be in the waters of the Pacific? Discovered by a naturalist, Georg Steller while exploring with Vitus Bering to a sea that is now named after him. The discovery took place... 

At one time wolves were very common throughout Great Britain. Just a mere two thousand years ago, they were said to have numbered nearly ten thousand and to live in mainland Britain. There is a great deal of evidence to back up this claim, including the naming of many children after the wolf, and tribal clans as well. Additionally... 

The Dodo was a non flying bird that lived on the island of Mauritius, and stood about 40 inches tall. The Dodo nested entirely on the ground. It became extinct only a few hundred years ago, in the late 17th century.. The extinction of the Dodo bird is directly involved in human intervention. Sadly this is not the only case of such...