Watts's Sulawesi Spiny Rat

Greater Large-headed Shrew

Common Name: Greater Large-headed Shrew
Scientific Name:

Habitat: The Greater Large-headed Shrew primarily inhabits a range of forested and grassland areas across parts of Europe and Asia. They are often found in moist environments such as marshes and wetlands, which provide ample cover and habitat diversity. These regions support their survival, offering both shelter and abundant resources for foraging.

Physical Characteristics: The Greater Large-headed Shrew typically measures between 10 to 12 cm in body length, with a tail that is slightly shorter than its body. This species is characterized by its large head, short limbs, and a robust, stocky body covered in dense, soft fur that usually varies from a gray to a brownish coloration. Distinctive features include its elongated snout and tiny, beady eyes, which help it navigate in low-light conditions.

Behavior: This species is largely nocturnal, exhibiting a range of fascinating behaviors. The Greater Large-headed Shrew is known for its remarkable agility and swift movements, which aid in foraging for food. They create complex burrow systems and are often territorial, with males typically displaying aggressive behavior toward intruding males, particularly during the breeding season. Their vocalizations are also a noted aspect of their social interactions, often used for communication.

Diet: The diet of the Greater Large-headed Shrew primarily consists of insects, worms, and small invertebrates. They are opportunistic feeders, meaning they will also consume fruits and seeds when available. Their high metabolism requires them to eat continuously throughout the day and night, making them effective hunters in their natural habitats.

Reproduction: Reproduction occurs typically in the spring and summer months. The female Greater Large-headed Shrew gives birth to a litter of 2 to 7 young after a gestation period of around three weeks. The young are altricial, meaning they are born blind and hairless, and rely on their mother’s care. Notable behaviors during this time include the mother creating a nest made of leaves and grass to protect her offspring.

Conservation Status: Currently, the Greater Large-headed Shrew is classified as ‘Least Concern’ by the IUCN, indicating that it is not presently at significant risk of extinction. However, habitat destruction and environmental changes pose ongoing threats, underscoring the importance of continued observation and conservation efforts.

Interesting Facts: One fascinating fact about the Greater Large-headed Shrew is its ability to consume food that is up to twice its own body weight in a single day. Their fast metabolism allows them to be one of the most efficient foragers among small mammals. Additionally, they possess a venomous saliva that can immobilize their prey, a unique feature that distinguishes them from other insectivores.

Role in Ecosystem: The Greater Large-headed Shrew plays a crucial role in its ecosystem by helping to control the population of insects and other small invertebrates. As both predator and prey, they contribute to the food web, providing sustenance for larger predators while also participating in nutrient cycling through their foraging behaviors. Their presence is indicative of a healthy, balanced ecosystem, making their conservation vital for environmental health.