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Animal Size

Least weasel size: How big do they get?

How big does a Least weasel get? Here is an overview over the average adult age:

A grown Least weasel (Mustela nivalis) reaches an average size of 18.9 cm (0′ 8″).

When born, they have an average size of 0 cm (0′ 0″). During their lifetime of about 10 years, they grow from 2 grams (0 lbs) to 79 grams (0.17 lbs). Talking about reproduction, Least weasels have 5 babies about 1 times per year. The Least weasel (genus: Mustela) is a member of the family Mustelidae.

As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.

The average adult size of a Least weasel is (0' 8

The least weasel (Mustela nivalis), little weasel, common weasel, or simply weasel in the UK and much of the world, is the smallest member of the genus Mustela, family Mustelidae and order Carnivora. It is native to Eurasia, North America and North Africa, and has been introduced to New Zealand, Malta, Crete, Bermuda, Madeira Island, the Azores, the Canary Islands, São Tomé, the Falkland Islands, Argentina and Chile. It is classified as least concern by the IUCN, due to its wide distribution and large population throughout the Northern Hemisphere.Least weasels from various parts of its range vary greatly in size. The body is slender and elongated, the legs and tail are relatively short. The colour varies geographically, as does the pelage type and length of tail. The dorsal surface, flanks, limbs and tail of the animal are usually some shade of brown while the underparts are white. The line delineating the boundary between the two colours is usually straight. At high altitudes and in the northern part of its range, the coat becomes pure white in winter. Eighteen subspecies are recognised.Small rodents form the largest part of the least weasel’s diet, but it also kills and eats rabbits, other mammals, and occasionally birds, birds’ eggs, fish and frogs. Males mark their territories with olfactory signals and have exclusive home ranges which may intersect with or include several female ranges. Least weasels use pre-existing holes to sleep, store food and raise their young. Breeding takes place in the spring and summer, and there is a single litter of about six kits which are reared exclusively by the female. Due to its small size and fierce nature, the least weasel plays an important part in the mythology and legend of various cultures.

Animals of the same family as a Least weasel

We found other animals of the Mustelidae family:

Animals with the same size as a Least weasel

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Least weasel:

Animals with the same litter size as a Least weasel

Here is a list of animals that have the same number of babies per litter (5) as a Least weasel:

Animals with the same life expectancy as a Least weasel

Completely different animals, but becoming as old as a Least weasel:

Animals with the same weight as a Least weasel

As a comparison, here are some other animals that weight as much as the Mustela nivalis: