
- Weasels belong to the Mustelidae family.
- All weasels are terrestrial animals.
- The range of long-tailed weasels includes most of North America, extending from just north of the United States-Canada border, south throughout Central America to northern South America.
- The most common weasel is the short-tailed weasel, and can be found almost everywhere in North America.
- The long-tailed weasel is only found in North America.
- The difference between a long-tailed weasels of North America is that they have black-tipped tails, while a small-tailed weasel does not.
- Long-tailed weasels were found almost 2 million years ago in North America.
- The weasel of North America is the smallest predatory mammal.
- For 101 facts on stoats, click here.

- The long-tailed weasel is the world’s smallest carnivore.
- The weasel is one of natures most ferocious and relentless predators. They are known as natures psychopath.
- Weasels are small, with a length between 6.8 and 8.5 inches.
- Weasels only attain a length, including the tail of 4.9 in (12.5 cm).
- Weasels have a weight of 1.47 oz (42 g).
- Weasels have long, slim bodies, with short legs
- The weasels tail ranges in length between 1.3 and 2 inches.
- Their body shape is highly adaptive to hunt their prey of small mammals. They will chase them through small holes and along narrow passages.
- Weasels are very active, and very nosy animals.
- Weasels have sharp pointed canine teeth, which they use for biting and shearing flesh.
- For 101 facts on moose, click here.

- Weasels have five toes on each of their paws that are tipped with small, non-retractable claws.
- Most weasels live in either abandoned burrows, or nests under trees or rock piles.
- Northern species of weasels develop a thick, white coat in the wintertime.
- Weasels live in cold climates.
- The long-tailed weasels of North America are cinnamon-brown in color with white underparts that have a yellow tinge to them.
- Weasels can run remarkably quickly when they are chasing their prey.
- Weasels have a very soft, but dense fur.
- Weasel have a white coat in winter, and a brown coat in summer.
- In winter, the fur of the least weasel glows a bright lavender color when exposed to ultraviolet light.
- Weasels are hungry carnivores.
- Weasels are capable of controlling animals significantly larger than themselves.
- Weasels will often climb trees to hunt squirrels.
If you have ever wondered what the difference is between a stoat and a weasel, I have written an article on this here.

- Weasels kill a much larger number of birds than they
could ever eat. - Weasels hunt their prey by detecting scent or sound, and then follow their prey, attacking quickly.
- Weasels wrap their muscular body around the animal to stop them moving.
- The weasel will corner their prey before grabbing it, and immobilizing it.
- Weasels kill their prey by biting the back of its neck. They then deliver a single killing bite to the back of the head, puncturing the head or spinal cord.
- Weasels have been known to travel as far as 2.5 km to hunt for food.
- Weasels have been seen killing and carrying off animals between two and ten times their size.
- Weasels will eat voles, shrews, rabbits, rats, chipmunks and other small mammals in their habitat.
- Weasels also hunt and kill cats, dogs, snakes, and owls.
- Weasels are usually most active at night,
- Weasels often hunt during the day as well.
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- Males weasels tend to chase and consume larger prey than the females will.
- Both male and female weasels defend their territories from others of the same sex.
- The sexual maturity of weasels begins from 3 to 4 months for the female.
- Male weasels achieve maturity at around 8 or 9 months.
- Both male and females secure their territory when mating.
- A weasel’s growth period lasts about 35 days,
- Female weasels gives birth to on average to 4 to 5 kits per litter.
- A weasel’s lifespan is 1 to 2 years in the wild, significantly shorter than many other carnivores.
- Weasels live in a variety of habitats, such as open fields, woodlands, thickets, roadsides and farmlands.
- Weasels prey mainly on mammal’s that are rabbit-sized or smaller.
- Weasels have been known to attack humans if the weasel becomes scared or threatened.
- For 101 facts on armadillos, click here.

- Weasels bodies don’t store fat, so they need a constant supply of food to provide enough energy.
- Weasel sounds serve a variety of purposes.
- A loud, high-pitched sound is usually a response to danger,
- Weasels commonly drink the blood of the victim, leaving the flesh for other animals such as cats and ferrets.
- The long-tailed weasel of North America is very adept at climbing large trees.
- They are good swimmers.
- Female weasels measure around 15–18 centimeters long and have a tail length of 4.5 centimeters.
- Males usually weigh up to 115 grams, and females up to 59 grams.
- Weasels nests are made of grass and leaves, usually in holes in a wall, or in tree stumps.
- For 101 facts on bighorn sheep, click here.

- Weasels breed between April and August; this is the only time males and females stay with each other.
- Though weasels can dig their own burrows quite quickly, they will sometimes take over other animals’ burrows and make them their own.
- Long-tailed weasels of North America are polygynous, which means that one male mates with multiple females.
- A weasels average litter size is six.
- At birth young kits weigh about 3 grams.
- Baby Weasels have pink wrinkled skin with white fur.
- After fourteen days, the kits hair starts to thicken. Size-wise the male kits are much larger.
- At 36 days, the kits is weaned and starts eating the food their mother brings back to the nest.
- The mother teaches the young how to kill prey.
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- After 56 days, weasels can kill their own prey.
- The young are called kittens or kits.
- The collective noun for a group of weasels is boogle, gang, pack, or confusion.
- The weasel is known as a very intelligent mammal.
- Long-tailed weasels have sensitive emotions.
- Weasels live up to 10 years, though most live three to five years.
- Weasels stay warm by lowering their metabolism. They then curl into balls inside their burrows.
- Weasels are active all year long.
- They are expert climbers, swimmers and runners.
- Weasels often kill more prey than they can eat, storing them for later use.
- Weasels are known to be territorial, defending their home ranges when invaded.
- Weasels are not social animals, living alone.
- Male and females live apart except in the mating season
- A male weasels home range will overlap those of several females.
- Weasels are very aggressive when their home ranges are intruded.
- Weasels are quick, alert and agile.
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- Weasels are known to be noisy, usually in response to a disturbance.
- Weasels communicate among themselves through visual, sound, and scent.
- Sounds and body language are used for communicating when two weasels confront each other.
- Female weasels release an appealing scent when ready to mate.
- Long-tailed weasels are extensive in North America, and fairly common throughout its range. No overall population estimate is available
- Weasels help to control populations of rabbits and rodents.
- Weasels have a well-developed sense of sight, hearing, and smell, enabling them to be sensitive and efficient predators.
- Long-tailed weasel of North America has a black tip to their tail, even in their all-white winter coats.
- For 101 facts on polar bears, click here.

- Weasels long bodies and flexible backs allow them to enter the burrows of rodents and other animals that are smaller than them.
- Weasels are known to release a strong-smelling musk if they are scared.
- The color of the Weasel’s eyes is black during the daytime. However, at night, the eyes of weasels glow bright emerald green if caught in a flashlight.
- Weasels are members of the genus Mustela, which includes stoats and ferrets.
- Native Americans saw the weasel as a bad sign.
- Weasel is also an insult to a person that is untrustworthy and sneaky.
Want 101 facts about the stoat. You can read that here.