the long-horned bison gave way to the ancient bison
which retain the same general appearance and are distinguished by various specific details
Taung Child is believed to have been three years-old at the time of its death
75 million years old and had characteristics distinctive of the gracile australopithecines
Another theory suggests that mammoths may have fallen victim to an infectious disease
Monodon monoceros, 67.25 inch narwhal tusk CUT IN HALF Alamosaurus the long-horned bison gave way67. 25 Inches Long 2 Inches Diameter At Base The narwhal, or narwhale (Monodon monoceros), is a medium sized toothed whale and possesses a large "tusk" from a protruding canine tooth. It lives year round in the Arctic waters around Greenland, Canada, and Russia. It is one of two living species of whale in the Monodontidae family, along with the beluga whale. The narwhal males are distinguished by a long, straight, helical tusk, which is an elongated