Irene Mountain Vole: A Comprehensive Species Description

Common Name: Irene Mountain Vole
Scientific Name: Microtus irene

Habitat

The Irene Mountain Vole is primarily found in mountainous regions of North America, specifically thriving in subalpine and alpine ecosystems. It prefers grassy meadows, shrublands, and areas with dense vegetation, which provide cover from predators and ample foraging opportunities. This vole is often associated with moist habitats where wet soil and abundant plant life are present, particularly in the Rocky Mountains and adjacent ranges.

Physical Characteristics

The Irene Mountain Vole is a small rodent, measuring approximately 5 to 7 inches in body length, with a tail that is about half the length of its body. Its fur is soft and dense, exhibiting a coloration that varies from a rich brown to grayish-brown, providing excellent camouflage in its natural habitat. Distinctive features include a rounded body, small ears, and large, dark eyes that are adapted for low-light conditions. These voles also possess strong, sharp claws that enable them to dig burrows effectively.

Behavior

Irene Mountain Voles are primarily crepuscular, meaning they are most active during dawn and dusk. They exhibit a range of behaviors including foraging, burrowing, and social interaction. These voles are known for their complex tunnel systems, which they use for nesting and shelter. They are generally solitary, but can sometimes be found in small groups, particularly during mating season. Their ability to adapt their behavior to seasonal changes is noteworthy, as they may alter their foraging strategies based on food availability.

Diet

The diet of the Irene Mountain Vole consists mainly of grasses, sedges, and other herbaceous plants. They are considered herbivores and primarily feed on plant shoots, roots, and seeds. During the summer months, they may also consume various flowering plants. Their foraging habits play a crucial role in maintaining the health of their ecosystem, as they help control plant growth and contribute to soil aeration through their burrowing activities.

Reproduction

The reproductive habits of the Irene Mountain Vole are characterized by a breeding season that typically spans from spring to late summer. Female voles can produce between two to four litters per year, with each litter containing up to six offspring. Young voles reach sexual maturity within a few months, allowing populations to grow rapidly under favorable conditions. Parental care is observed, with mothers actively nurturing and protecting their young until they are self-sufficient.

Conservation Status

The current conservation status of the Irene Mountain Vole is classified as vulnerable due to habitat loss and climate change. As their mountainous habitats face increasing pressures from development and environmental shifts, efforts are being made to monitor and conserve their populations.

Interesting Facts

– The Irene Mountain Vole is known for its powerful digging abilities, capable of creating extensive burrow networks.
– They have been observed to communicate through a variety of vocalizations, particularly during mating season.
– These voles are an important food source for various predators, including birds of prey and small mammals.

Role in Ecosystem

The Irene Mountain Vole plays a vital role in its ecosystem as both a herbivore and prey species. By grazing on various plants, it helps regulate plant populations, which is crucial for maintaining biodiversity in subalpine and alpine environments. Furthermore, its burrowing activities contribute to soil health, promoting aeration and nutrient cycling. As a food source for higher trophic levels, it is essential for the survival of various predators, thus playing a key part in the food web.