Species Information

This page will contain photos and information on all the New Species.

If we run out of new species we will use this page to display information on some of the species found in the Dene.

Total Number of Recorded Species in the Brierdene  31/03/2020

 Groups  Number
  Bats    3
  Bugs & Beatles    52
    Bumblebees - Bees - Solitary Bees    15
Butterflies    21
   Centipedes & Millipedes
Crustaceans    5
   Dragonflies    6
Fish and Amphibians    5
  Flies    53
  Fungi    43
Harvestman    2
  Ladybirds    8
Mammals    12
  Molluscs    10
Lichen, Liverworts Mosses and Slime
  Moths & Miners   170
  Plants, Bushes & Trees    327
  Reptiles     1
  Wasps    10
 Worms    11

Stoat ustela erminea


The stoat is a small Mustelid, so is related to the weasel and otter. It has an orange body, black-tipped tail and distinctive bounding gait.


It's thought that the black tip to a stoat’s tail serves to distract birds of prey.

The predator’s attention is drawn to it and it focuses its attack on the tail rather than on the more vulnerable parts of the stoat’s body.

Some stoats turn completely or partially white in winter, particularly in northern parts of the UK where snow is more common, but the black tip on the tail always remains.

The white fur is known as 'ermine' and helps the stoat blend in with snowy surroundings when hunting.



Length: 24-32cm  Tail: 9-14cm  Weight: 140-450g  Average lifespan: 2-5 years


Widespread, found throughout the country, and usually seen in grassland, heaths and in woodlands across the UK.


The stoat is a small predator, with a long, low-slung body that makes it particularly well suited to hunting small rodents and rabbits. It can easily kill an adult rabbit, which is much larger than itself, with a bite to the base of the skull.

Stoats are active by day and night, and are easiest to spot in open habitats, such as sand dunes, grassland and heathland. They mate in summer, but delay implantation of the fertilised egg until the spring of the following year.

They have one litter of six to twelve kits a year.