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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. The males jump together and actively bite the chimpanzees. [52]
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.
The great majority (80–99.99%) of individuals born do not survive to reproductive age, with perhaps 50% of this mortality rate attributed to predation. [1] In order to deal with this ongoing escapist battle, insects have evolved a wide range of defense mechanisms .
Armour, although all used for the sole intent to ward off attackers, can be split into defensive and offensive armour. Examples of offensive armour are horns, hooves, antlers, claws, beaks, clubs and pincers, as developed in some mammals, birds, reptiles (including dinosaurs, such as the dromaeosaurid claw and the ceratopsian horn) and arthropods.
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]
The whales in the novel are narwhals, a type of whale with a long, spiralling horn on the front of its head. In their adventure, Gracie and Daniel find a narwhal's horn. Later, they have to decide whether to help a stranded narwhal. They then rescue the narwhal. Later, the Birdman comes back to Bryher, and he is welcomed back by everybody.
Spirama helicina resembling the face of a snake in a deimatic or bluffing display. Deimatic behaviour or startle display [1] means any pattern of bluffing behaviour in an animal that lacks strong defences, such as suddenly displaying conspicuous eyespots, to scare off or momentarily distract a predator, thus giving the prey animal an opportunity to escape.