List of mammals to likely have become extinct in Britian in last 15,000 years
| Common name | Species | Date | Cause |
| Mammoth | Mammuthus primigenius | 12500 b.p. | Climate |
| Saiga antelope | Saiga tatarica | 12400 b.p. | Climate |
| Arctic fox | Alopex lagopus | 12400 b.p. | Climate |
| Lemming | Lemmus lemmus | 10500 b.p. | Climate |
| Arctic lemming | Dicrostonyx torquatus | 10500 b.p. | Climate |
| Narrow-headed vole | Microtus gregalis | 10500 b.p. | Climate |
| Pika | Ochotona pusilla |
10000 b.p. | Climate |
| Wild horse | Equus ferus | 9330 b.p. | Climate |
| Giant elk | Megaloceros giganteus | 9225 b.p. | Climate |
| Reindeer | Rangifer tarandus | 8300 b.p. | Climate |
| Wolverine | Gulo gulo | 8000 b.p. | Hunting |
| Northern vole | Microtus oeconomus | 3500 b.p. | Climate |
| Elk | Alces alces | 3400 b.p. | Hunting |
| Aurochs | Bos primigenius | 3250 b.p. | Hunting |
| Lynx | Lynx lynx | 200 A.D. | Hunting |
| Brown bear | Ursus arctos | 500 A.D. | Hunting |
| Beaver | Castor fiber | 1300 A.D. | Hunting |
| Wild boar | Sus scrofa | 1500 A.D. | Hunting |
| Wolf | Canis lupus | 1700 A.D. | Hunting |
| Muskrat | Ondatra zibethicus | 1935 A.D. | Hunting |
| Coypu | Myocastor coypus | 1987 A.D. | Hunting |
Source: A Short History of the British Mammal Fauna (interesting read)
- Arctic fox – c. 10000 BC
- Arctic lemming – c. 8000 BC
- Auroch – c. 1000 BC
- Boar – c. 1500 (reintroduced)
- Brown Bear – c. 1000 (may be as early as 500 BC)
- Coypu – 1987 (non-native)
- Elk – c. 1500 BC
- European Beaver – c. 1300
- Irish Elk – c. 6000 BC
- Lynx – c. 400
- Greater mouse-eared bat – 1990 (as resident)
- Muskrat – 1935 (non-native)
- Narrow-headed vole – c. 8000 BC
- Root Vole – c. 1500 BC
- Norway lemming – c. 8000 BC
- Pika – c. 8000 BC
- Reindeer – c. 6000 BC (reintroduced)
- Saiga Antelope – c. 10000 BC
- Wild horse – c. 7000 BC
- Wolf – c. 1700
- Wolverine – c. 6000 BC
- Woolly Mammoth – c. 10000 BC
- Woolly Rhinoceros –