700 seals spotted at Thames

More than 700 seals have been spotted in the Thames Estuary in the first ever count carried out by air, land and water, the Zoological Society of London (ZSL) said.

Seal numbers can 'help with conservation'

There are around 500 harbour seals and 200 of the larger grey seals in the Thames Estuary, according to the Zoological Society of London (ZSL) said.

ZSL's conservation scientist Joanna Barker said:

We knew there were a lot of seals in the Thames but 708 is pretty incredible.

In previous results there's been a good few hundred in the Thames, but it's great to have a figure we can use as a baseline.

Now we know the numbers and where they are, it can help with conservation.

It's a really good indicator because the seals are the top predators in the marine food chain, and it shows that the marine environment is relatively good and is producing enough food for the seals to eat.

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