Mouse

Souris Communes au Québec

House Mouse

House Mouse
  • Size: About 7.5 to 10 cm long (excluding the tail)
  • Color: Grey, brown, or white
  • Appearance: Small ears, long and thin tail
  • Attractions: Easily accessible food (cereals, crumbs, stored food), warm shelters (insulation, walls, attics), water (leaks, pet bowls)
  • Detection Element: Scratching sounds in walls or ceilings, small spindle-shaped droppings, gnaw marks on food or materials

Appearance

Small and agile, the house mouse measures between 7 and 10 cm, with a tail that can be as long as its body. Its fur is generally a brownish-grey, providing excellent camouflage in urban and rural environments. Its eyes are bright, varying from black to red, reflecting great adaptability to various environments.

Habitat

Ubiquitous in urban areas of Montreal and Quebec City, the house mouse easily adapts to indoor life, preferring warm and dry spaces like hollow walls, basements, and attics. It is attracted to human dwellings due to the constant availability of food and shelter, making it very common in residential areas.

Behavior

These mice are omnivorous and opportunistic, feeding on cereals, fruits, seeds, and sometimes even human food leftovers. Their nocturnal activity makes them particularly discreet, though they can establish visible paths along walls and floors during their nocturnal food quests.

White-Footed Mouse

White-Footed Mouse
  • Size: About 8 to 10 cm long (excluding the tail)
  • Color: Brown-grey back, white belly and feet
  • Appearance: Relatively long tail, large eyes and ears
  • Attractions: Fallen seeds and fruits, shelters in leaf or wood piles, entering homes in search of warmth in winter
  • Detection Element: Gnaw marks on materials, prints and tail marks in dust, noises in attics or walls

Appearence

Slightly larger than the house mouse, this species is distinguished by its soft, bicolor fur: light brown on the back and pure white on the belly. Its feet and long tail are also white, giving it a distinct appearance.

Habitat

Preferring less disturbed areas, this mouse is frequently observed in the Eastern Townships and Outaouais. It adapts to various natural habitats, including forests, fields, and forest edges, where it finds an abundance of food and nesting material.

Comportement

The white-footed mouse is primarily nocturnal and extremely agile, capable of climbing with ease. It feeds on a wide range of foods, including seeds, fruits, insects, and small invertebrates. It often builds its nest in height, in bushes or trees, to protect from predators.

Wood Mouse

Wood Mouse
  • Size: About 8 to 10 cm long (excluding the tail)
  • Color: Brown or grey back, white belly
  • Appearance: Prominent ears, shiny eyes
  • Attractions: Abundance of food like seeds, fruits, and insects, shelters under buildings or in woodpiles, sometimes the warmth of houses
  • Detection Element: Scratching sounds at night, small black droppings, gnaw marks on wood or electrical wires

Apparence

With its bright reddish-brown fur, a lighter belly, big black eyes, and large ears, the wood mouse is easily recognizable. It measures between 8 and 12 cm, and its long, thin tail provides great agility.

Habitat

This mouse prefers wooded regions and natural parks such as Jacques-Cartier National Park. Generally avoiding urban areas, it favors dense natural habitats rich in vegetation, offering both food and protection.

Behavior

Omnivorous, the wood mouse primarily feeds on seeds, nuts, berries, as well as insects and small invertebrates. It is known for its food storage capabilities, preparing for the winter months. Surprisingly agile, it can climb with ease and perform impressive leaps to escape predators.

Distinguishing Mice from Other Rodents

Rat

Rat

Rats are significantly larger than mice, with robust bodies often exceeding 20 cm, coarser fur, elongated muzzles, and small ears. Their droppings are also larger, measuring about 12 to 18 mm long, and have a more rounded shape at the ends, unlike mouse droppings which are smaller (3 to 8 mm) and pointed. Rats prefer damp habitats such as sewers and basements.

Field Mouse

Field Mouse

Field mice, slightly larger than house mice, are distinguished by darker fur with a distinct yellowish tinge around the neck and proportionally shorter tails. Their droppings resemble those of mice but are a bit larger (6 to 8 mm) and less pointed. Field mice prefer fields and meadows, while house mice adapt more easily to urban environments and dense forests.

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