Otter Facts - UK Wild Otter Trust
Where to see otters - The Wildlife Trusts
Otter (Lutra lutra) - British Mammals - Woodland Trust
Otter facts - Protect the Wild
Guide to Britain's otters: history, characteristics and where to see …
European otter - The Wildlife Trusts
Otters in Our Woods: Where to Find Them - Woodland Trust
Otters are making themselves at home in UK cities
The Eurasian otter - Heart of England Forest
Home - UK Wild Otter Trust