Taxonomy
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammal
- Order
- Eulipotyphla
- Family
- Soricidae
- Genus
- Crocidura
Habitat
This species inhabits subtropical forests, grasslands, and areas near streams on the Ryukyu Islands of Japan. It prefers moist environments with dense vegetation for cover and foraging.
Diet
The Lesser Ryukyu shrew primarily eats insects such as beetles and ants, along with earthworms and other small invertebrates. It is nocturnal and forages actively on the ground, using its keen sense of smell to locate prey.
Behavior
The Lesser Ryukyu shrew is solitary and territorial, marking its area with scent and avoiding others except during mating. It is primarily nocturnal, spending the day in burrows or under logs, and exhibits high activity levels while foraging for food. This species is known for its rapid movements and high metabolic rate, requiring constant feeding.
Conservation Status
The IUCN lists the Lesser Ryukyu shrew as Vulnerable due to habitat loss from deforestation and urbanization. Population trends are declining, with major threats including invasive species and climate change.