African pygmy mouse
| African pygmy mouse | |
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| File:Mus musculoides hirse fressend.jpg | |
| African pygmy mouse eating | |
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M. minutoides
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| Mus minutoides (A Smith, 1834)
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The African pygmy mouse (Mus minutoides) is one of the smallest rodents. It is widespread within sub-Saharan Africa, and is kept as a pet in other parts of the world. Like the common house mouse, it is a member of the enormous superfamily Muroidea, which includes about 1000 different species.
Grey to brick-red overall, it is pale on the underside and has small but prominent triangular ears. Adults are between 30 and 80 mm (1.2 and 3.1 in) long, with a 20 to 40 mm (0.79 to 1.57 in) tail, and weigh from 3 to 12 g (0.11 to 0.42 oz).
African pygmy mice reach breeding age at about 6 to 8 weeks. Pregnancy lasts for around 20 days and the litter of about 3 young is born blind and hairless. Their eyes open after 2 weeks, and weaning is complete after 4 weeks. The lifespan is about 2 years, although individual specimens have been reported to live over 4 years in captivity.
The African pygmy mouse has a number of unique traits. It stacks pebbles in front of its burrow. Overnight the pebbles gather dew and in the morning the pygmy mouse drinks the dew on the pebbles. After that it retires back to its den. Its method of sex determination has also been found to differ from most mammals[2] in that rearrangements of the X chromosome have led to many XY individuals actually being female.
They live in colonies or in pairs in grass close to water and are excellent climbers.
As pets
Pygmy mice are often kept as pets but require social interaction, should always be kept as pairs or small colonies.[3] They have quite simple care needs, and are active during both day and night, making them an interesting exotic pet to own,[4] but cannot be handled due to the risk of inadvertently causing internal damage due to their small size and tendency to jump when startled.[3]
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found. Database entry includes a brief justification of why this species is of least concern
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 African Pygmy Mouse. Heritage-pets.tripod.com. Retrieved on 2012-12-28.
- ↑ African Pygmy Mice Overview – Crittery Exotics. Crittery.co.uk. Retrieved on 2012-12-28.
