Wednesday, 15 February 2012
Harvest Mouse
Scientific Name:
Micromys minutus
Weight:
The Harvest Mouse weighs less than a 2p coin.
Lifespan:
Approx. 18 months. Description
Britain's smallest rodent, the Harvest Mouse yellow-brown furry upper parts and whiter underbelly, small ears and a blunt nose, with a long tail.
Distribution
In Britain the Harvest Mouse may be found in parts of Wales and from Yorkshire southwards in England.
Habitat
Originally often found in the area of cornfields, the advent of large reaping machines has meant that Harvest Mice are now generally found in the vicinity of undisturbed grass, hedgerows, reedbeds and allotments.
Reproduction
The Harvest Mouse builds it's nest off the ground, using grass and reeds for support. The nest measures approx 64mm across and has chewed grass leaves lining the bottom. Three litters may be born each year with up to 8 young in each litter. A new nest is built for each litter.
Footprint Description
Forefoot has 4 digital pads, with distinct claws. 3 separate interdigital pads.Hind foot has 5 digital pads, 4 circular interdigital pads. Hand outlines common where tracks are visible in soft ground.
Footprint Size
Hind foot - 1.3x1cm, fore foot 0.8x0.8cm. Stride around 4cm.
Droppings Description
Droppings tiny (0.2cm long) and rarely found away from the nest.Dark in colour when fresh.