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Wildlife
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- - We protect wildlife in Britain and around the world by bringing our most threatened species back from the brink of extinction. We do this through ground-breaking research, practical conservation and education, all with the help of our supporters.
Wild places
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- - Some habitats contain such a richness of life that we need to protect them at all odds. We are working to preserve ancient woodlands, orchards and wood pastures and parklands, as well as the countless species they support.
What we do
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- - Everything we do is based on scientific evidence. We gather this through surveys, which you can take part in, and by awarding research grants to the most inspiring scientists worldwide. This evidence guides our conservation efforts and is shared through our events and publications.
Who we are
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- - People’s Trust for Endangered Species was set up in 1977 to save our wildlife. We are governed by a board of volunteer trustees and our team of staff are passionate about protecting endangered species and places.
Success stories
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- - We strive to bring our most threatened species in the UK and around the world back from the brink of extinction. Our successes come from ground-breaking research, practical conservation and education, all with the help of our supporters.
Get involved
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- - There are so many ways you can help save endangered species. Fancy taking part in a survey, joining us on a wildlife event or becoming a regular supporter?
Shop
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- - Support our work in our shop with a range of charity gifts, home-ware, cards and more. 100% of the profits go directly to help wildlife both in the UK an overseas.
Donate
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- - There is nothing natural about the alarming rate at which we are losing animals and their homes. It is absolutely avoidable. We can stop the loss of our wildlife – but we need your support. You can act now by choosing to give to our cause. Thank you.

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Wildlife
- Close
- - We protect wildlife in Britain and around the world by bringing our most threatened species back from the brink of extinction. We do this through ground-breaking research, practical conservation and education, all with the help of our supporters.
Wild places
- Close
- - Some habitats contain such a richness of life that we need to protect them at all odds. We are working to preserve ancient woodlands, orchards and wood pastures and parklands, as well as the countless species they support.
What we do
- Close
- - Everything we do is based on scientific evidence. We gather this through surveys, which you can take part in, and by awarding research grants to the most inspiring scientists worldwide. This evidence guides our conservation efforts and is shared through our events and publications.
Who we are
- Close
- - People’s Trust for Endangered Species was set up in 1977 to save our wildlife. We are governed by a board of volunteer trustees and our team of staff are passionate about protecting endangered species and places.
Success stories
- Close
- - We strive to bring our most threatened species in the UK and around the world back from the brink of extinction. Our successes come from ground-breaking research, practical conservation and education, all with the help of our supporters.
Get involved
- Close
- - There are so many ways you can help save endangered species. Fancy taking part in a survey, joining us on a wildlife event or becoming a regular supporter?
Shop
- Close
- - Support our work in our shop with a range of charity gifts, home-ware, cards and more. 100% of the profits go directly to help wildlife both in the UK an overseas.
Donate
- Close
- - There is nothing natural about the alarming rate at which we are losing animals and their homes. It is absolutely avoidable. We can stop the loss of our wildlife – but we need your support. You can act now by choosing to give to our cause. Thank you.

Mammal fact files

Click on the animal names below the pictures to learn more about the mammals that live in the United Kingdom.

Mammal fact files

Click on the animal names below the pictures to learn more about the mammals that live in the United Kingdom.

Estimates of population sizes are taken from the Mammal Society’s 2018 report, ‘A Review of the Population and Conservation Status of British Mammals: Technical Summary’. There are eleven mammal species (either native or naturalised) that are at risk of extinction in Britain in the near future (within the next decade or three generations). These ‘Threatened’ species are classified as: Critically Endangered (CR), Endangered (EN), and Vulnerable (VU). Four others are ‘Near Threatened’ (NT).

Whales and dolphins
These marine mammals breathe air and are adapted to life in the water.
Seals
This group of mammals is suited to living in the water and on land.
- Common (or Harbour) seal
- Grey seal
Marsupials
Meaning 'pouched-one' only one type is found in the UK.
- Red-necked wallaby
Rabbits and hares
These mammals are herbivores (plant eaters). There are three types in the UK.
Shrews, moles and hedgehogs
Small, mostly nocturnal mammals that feed mainly on insects and are known as insectivores.
Carnivores
Predators with teeth adapted to eat meat. Nine species live in the UK and another three are now extinct.
- Red fox
- Pine marten
- Stoat
- Weasel
- Polecat
- European badger
- Otter
- American mink
- Wildcat
Deer and wild boar
These large plant eating mammals walk on two-hoofed toes.
Bats
18 species make up a third of all wild mammals in Britain. Bats are our the only truly flying mammals.
Rodents
Mammals with special gnawing front teeth, of which there are 15 species in Britain.