Thriving seal population dips in Britain's River Thames
The colony of seals in Britain's Thames Estuary has dipped slightly, though the thriving population of the predators is testament to just how far the river has recovered since it was declared dead in the 1950s.
The colony of seals in Britain's Thames Estuary has dipped slightly, though the thriving population of the predators is testament to just how far the river has recovered since it was declared dead in the 1950s.