A seal has been spotted in the River Medway stunned passersby.

Philip and Conan Anderson were walking by the river when they spied the mammal just above Allington Lock and snapped this video at around 10.45 this morning. They have named the animal Bradley.

Seals can be found all round the UK coast, but they are most common in Scotland and Cornwall.

They do sometimes venture inland up rivers in search of fish.

Only this week there was a tragic incident in London where a dog attacked a seal on the banks of the River Thames near Hammersmith Bridge.

Passers-by rushed to pull the dog off but the seal still died.

So if you do come across Bradley sunning himself on the riverbank while you are out walking with your dog, please immediately put your pet on a lead.

Most dogs have never seen a seal and can react badly, even if they are normally well behaved.

The UK has two main varieties of seal - the harbour or common seal, and the grey seal, which has a longer snout.

Paradoxically, the common seal is less common in British waters than the grey seal, with an estimated population of around 55,000 compared with around 120,000 grey seals.

Grey seals also have parallel nostrils, rather than the V-shape of the common seal.

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