Greater White-Toothed Shrew (Crocidura russula)

The Greater White-Toothed Shrew, scientifically known as Crocidura russula, is a remarkable small insectivorous mammal that holds a significant presence in the ecosystems of Europe and North Africa. As the most common of the white-toothed shrews, this species captivates researchers and wildlife enthusiasts alike with its distinctive characteristics and ecological significance.

Description

The Greater White-Toothed Shrew is characterized by its diminutive size, typically measuring around 7-9 centimeters in length, with a tail of similar length. Its fur varies in color from grayish-brown to reddish-brown, and its underbelly is generally lighter in color. Notably, the shrew’s teeth are white, which is a distinguishing feature from other shrew species.

Appearance

This species is easily distinguished from other shrews by its relatively larger size and its white teeth, which stand out against its fur. The Greater White-Toothed Shrew’s physical attributes contribute to its unique identity within the ecosystem.

Distribution

The Greater White-Toothed Shrew can be found in various regions, including along the Mediterranean, Netherlands, Belgium, Ireland, and parts of North Africa. Its distribution reflects its adaptability to diverse environments and its ability to thrive in different geographical settings.

Habitat Preferences

These shrews are adaptable and can be found in a range of habitats, including grasslands, woodlands, hedgegrows, cultivated areas, and human settlements. They exhibit a preference for areas with suitable cover and food sources, and they are known to occupy farm buildings during colder months. This adaptability allows the Greater White-Toothed Shrew to establish a presence in both natural and human-altered landscapes, showcasing its resilience and ability to coexist with human activities.

In conclusion, the Greater White-Toothed Shrew, with its unique characteristics and adaptable nature, holds an important place within the ecosystems of Europe and North Africa. Its presence serves as a reminder of the intricate interplay between wildlife and the environment, highlighting the need for conservation efforts to preserve the delicate balance of these ecosystems.

Facts About Greater white-toothed shrew

1. The greater white-toothed shrew (Crocidura russula) is a small insectivorous mammal found in Europe and North Africa.
2. It is the most common shrew species in Ireland and the UK.
3. Greater white-toothed shrews are monogamous and exhibit female-biased dispersal.
4. They have a life span of around 1.5 years.
5. The weight of an adult greater white-toothed shrew ranges from 11-14 grams.
6. These shrews have a length of 6-9 centimeters.
7. The mating system of greater white-toothed shrews is rare for mammals as they are monogamous.
8. They are known to be potential reservoirs for certain diseases.
9. The current distribution range of the greater white-toothed shrew expands from northern Africa through the Iberian Peninsula.
10. Baseline data on the native distribution of these shrews is limited.