Gray wolf
This wolf is the largest species of the wild dog family. Females are smaller than males. Male wolves have a straight tail and narrow chest. The feet of males are large and the legs are long. The overall color of the Grey wolf's fur is typically grey with black markings and lighter underparts, though wolves can occasionally be black, brown, red or even pure white. Grey wolves have a very thick fur, consisting of the coarse outer coat, which covers the soft undercoat. Due to the acute sense of hearing as well as keen sense of smell, the animal is able to successfully track down prey. In addition, the long legs allow them to make long steps, promoting high speed during the chase.
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NocturnalNocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal",...
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DiurnalDiurnal animals are active during the daytime, with a period of sleeping or other inactivity at night. The timing of activity by an animal depends ...
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CarnivoreA carnivore meaning 'meat eater' is an organism that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of a...
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ScavengerScavengers are animals that consume dead organisms that have died from causes other than predation or have been killed by other predators. While sc...
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InsectivoresAn insectivore is a carnivorous plant or animal that eats insects. An alternative term is entomophage, which also refers to the human practice of e...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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CursorialA cursorial organism is one that is adapted specifically to run. An animal can be considered cursorial if it has the ability to run fast (e.g. chee...
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AltricialAltricial animals are those species whose newly hatched or born young are relatively immobile. They lack hair or down, are not able to obtain food ...
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Pack huntersA pack hunter or social predator is a predatory animal that hunts its prey by working together with other members of its species. Normally animals ...
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Apex predatorAn apex predator, also known as a top predator, is a predator at the top of a food chain and has no natural predators. These animals usually occup...
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Pursuit predatorPursuit predation is a form of predation in which predators actively give chase to their prey, either solitarily or as a group. Pursuit predators r...
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NomadicNomadic animals regularly move to and from the same areas within a well-defined range. Most animals travel in groups in search of better territorie...
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TerritorialA territory is a sociographical area that which an animal consistently defends against the conspecific competition (or, occasionally, against anima...
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ViviparousAmong animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
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BurrowingA burrow is a hole or tunnel excavated into the ground by an animal to create a space suitable for habitation, temporary refuge, or as a byproduct ...
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Pack huntersA pack hunter or social predator is a predatory animal that hunts its prey by working together with other members of its species. Normally animals ...
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MonogamyMonogamy is a form of relationship in which both the male and the female has only one partner. This pair may cohabitate in an area or territory for...
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Dominance hierarchyA dominance hierarchy (formerly and colloquially called a pecking order) is a type of social hierarchy that arises when members of animal social gr...
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MigratingAnimal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migrati...
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Grey wolves occur across North America and Eurasia, primarily found in remote areas and wilderness. Their range includes different habitats such as forest, arctic tundra, arid terrain and prairie.
Grey wolves are social animals, living, hunting and travelling in packs. An average wolf pack consists of 7-8 individuals, including the alpha male and female with their young as well as older offspring. The alphas are the leaders of the pack, establishing the group's territory, selecting the den sites, tracking down and hunting prey.They live in close ties with the members of their pack, communicating with each other through a wide variety of calls, including barks, whine, howls and growls.They are most active at sunrise and sunset. As a matter of fact, Grey wolves do not actually howl at the moon: they simply tend to howl, when the night is lighter, which usually happens during the full moon.Throughout the year, these animals undergo a stationary and nomadic phases: stationary phase takes place in spring and summer months, when they grown up the young, while nomadic phase lasts from the autumn to winter. Grey wolves prefer moving at night, being able to travel up to 200 km per day.
The Grey wolf is carnivore and scavenger. The usual diet of this animal primarily consists of ungulates such as elk, moose, deer and caribou. They also consume small species like rabbits or beavers. In addition, these wolves will scavenge on occasion.
Within a pack, only the alpha male and female breed. The alphas are monogamous, mating for life, until one of the mates dies, after which a new alpha male of female is determined, and the pair is re-established. Grey wolves breed from January to April. The female is responsible for digging a den, where she further gives birth and raises the pups. The gestation period last about 60-63 days, after which 1-14 pups are born with an average of 6-7. For the first 45 days, all members of the pack participate in feeding the pups through regurgitation. The mother stays with the young for the first 3 weeks, after which the pups continue living in the den, until they reach the age of 8-10 weeks. Females are sexually mature at 2 years old, and males - at 3 years old.
Primary threats include loss and fragmentation of their habitat, leading to considerable reduction of their population. Due to being considered as livestock predators, these animals are frequently killed both individually and in whole packs. In some areas of its range, the species is not legally protected, and thus is widely hunted and trapped.
They Grey wolf is fairly widespread throughout its range. The overall population of the species is presently stable, estimated at about 400,000 animals. On the IUCN Red List, the Grey wolf is classified as Least Concern (LC).
Feeding upon wide variety of animal species such as deer or elk, they control the numbers of their populations, thus benefiting different animal and plant species of their range. Carcasses of prey, left by these wolves, are an important source of nutrients and food for other animals of the area, including scavengers and grizzly bears.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...