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The narwhal was scientifically described by Carl Linnaeus in his 1758 publication Systema Naturae. [5] The word "narwhal" comes from the Old Norse nárhval, meaning 'corpse-whale', which possibly refers to the animal's grey, mottled skin and its habit of remaining motionless when at the water's surface, a behaviour known as "logging" that usually happens in the summer.
The cetacean family Monodontidae comprises two living whale species, the narwhal and the beluga whale and at least four extinct species, known from the fossil record. Beluga and Narwhal are native to coastal regions and pack ice around the Arctic Ocean.
A social relationship was observed between a narwhal and a group of beluga whales in the St. Lawrence River. The narwhal had been accepted into the group of beluga whales and continued to travel with them. [25] A relationship between canines and a silkie chicken, coyote and a pygmy owl have all been documented. [26]
Surviving in the wild is no easy feat, but thanks to evolution, many animals evade their predators with a clever deception of the eyes. Since the beginning of time animals have either adapted or ...
Since 1973, the gray wolf has been on and off the federal government's endangered species list. When the wolves are on the list, advocates say the protections help wolves' place in the natural ...
The animal is known only from a partially preserved skull. Its ecology may have been similar to the modern-day Dall's porpoise , and it may have competed with contemporaneous delphinoids . Its remains were found in the Poul Creek Formation , which has also yielded several mollusk species.
Mobbing is the harassing of a predator by many prey animals. Mobbing is usually done to protect the young in social colonies. For example, red colobus monkeys exhibit mobbing when threatened by chimpanzees, a common predator. The male red colobus monkeys group together and place themselves between predators and the group's females and juveniles.
In fact, capybaras are so good at making friends that entire Tumblrs exist solely to document their strong social game. Here they are, chillin' with an anteater Image: Tumblr