Vespertilio Murinus

Parti-Coloured Bat

Woodlands, forest edges, urban areas, and near water bodies

The Parti-Coloured Bat, vespertilio murinus, is a medium-sized bat species distinguished by its unique two-toned fur, from which it derives its name. The back of the bat features a contrasting pattern of dark brown or black with frosted tips, while the underside is a lighter grey or white, providing it with excellent camouflage against predators during the day. Adult Parti-Coloured Bats have a wingspan ranging from 24 to 28 cm and a body length of about 6 to 7 cm, making them one of the larger species within their geographic range.

Parti-Coloured Bat
Population:Listed as Least Concern but facing threats from habitat destruction and pesticide use
Generation Length:3-4 years
Average Weight:6-15 grams
Average Length:Body length: 5.5-6.5 cm, Wingspan: 24-28 cm
Lifespan:Up to 15 years in the wild
Diet:Feeds primarily on a variety of nocturnal insects
Conservation Status:Least Concern (LC)
Echological Profile

Native to a wide expanse of Eurasia, from Western Europe across to Japan, this species inhabits a variety of environments including forests, parklands, and urban areas where they roost in tree holes, buildings, and bat boxes. They are highly adaptable and can be found at various elevations, from sea level up to mountainous regions. The Parti-Coloured Bat is a migratory species, with individuals traveling considerable distances between their summer and winter habitats.

The diet of the Parti-Coloured Bat primarily consists of small flying insects, such as moths, beetles, and flies, which they catch in flight during their nocturnal foraging trips. Their foraging strategy involves high-speed pursuit in open areas, using echolocation to detect and capture their prey.

Reproduction in the Parti-Coloured Bat occurs once a year, with females forming maternity colonies in the spring to give birth and raise their young. A single pup is born after a gestation period of 50 to 70 days, typically in late June or early July. The young are cared for in the maternity colony and are able to fly and forage on their own after four to five weeks.

The population of the Parti-Coloured Bat is considered of Least Concern by the IUCN, although it faces threats from habitat loss, pesticide use, and disturbances to roosting sites. Conservation efforts are focused on habitat protection, monitoring populations, and promoting the importance of bats in ecosystems as pest controllers. The Parti-Coloured Bat's role in insect population control highlights the ecological importance of bats and the need for continued conservation support.

A Taxonomy for All Living Things
Classifications
Domain
Eukaryota
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Family
Vespertilionidae
Genus
Vespertilio
The Key Attributes

Features

  • Movement:

    Flying

  • Territorial Behavior:

    Not highly territorial; forms large communal roosts

  • Speed:

    Fast and agile flier, capable of quick maneuvers during flight

  • Diet:

    Insectivore


  • Physical Features:
    • Small size with a distinctive two-tone (parti-colored) fur
    • Pointed wings adapted for fast flight
    • Short, rounded ears
    • Tail membrane (uropatagium) extending beyond the tail
  • Primary Senses:
    • Echolocation
    • Hearing
    • Sight
Understanding Habitat and Range

Geography

  • Habitat:

    Woodlands, forest edges, urban areas, and near water bodies

  • Migration Patterns:

    Partially migratory, with some populations moving to warmer areas in winter

  • Geographical Range:

    Widespread across Europe and Asia, extending into parts of North Africa

  • Climate Preferences:

    Temperate to cool temperate regions

Navigating the Wilderness

In the wild

  • Predators:

    Birds of prey, larger bats, and terrestrial predators like cats and foxes

  • Prey:

    Moths, flies, beetles, and other flying insects

  • Feeding Behavior:

    Catches insects in flight, using echolocation to navigate and locate prey

  • Diet:

    Feeds primarily on a variety of nocturnal insects


  • Defensive Mechanisms:
    • Evasive flying patterns
    • Roosting in concealed or inaccessible places
  • Preferred Food Sources:
    • Areas abundant with insect activity, often near water or open fields
Insights Into Reproduction

Mating

  • Mating System:

    Polygynous

  • Number of Offspring:

    Usually one pup, occasionally two

  • Gestation Period:

    40-50 days


  • Parental Involvement:
    • Females form maternity colonies to rear young, with little to no male involvement
Wild Fun for Young Explorers
Youngsters Section
Parti-Coloured Bat
Fun Fact

Parti-Coloured Bats are known for their striking two-toned fur, which is a mix of dark and light colors.

These bats are migratory and can travel up to 1,000 miles between summer and winter habitats. They primarily feed on insects and are most active at dusk and dawn. Found across Europe and Asia, they often roost in buildings and tree hollows.

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