swam

Once collected, the DNA can be preserved in laboratories for years, allowing future scientists to study additional species that once swam through the same waters.

He swam silently beneath the surface, coming up for air halfway across.

They floated there, quietly cleaning their feathers, until, below the water, their webbed feet started paddling, and they swam to shore and waddled onto a pebble beach.

One officer told the BBC they kept having to rescue people who swam back to their homes when the water levels dropped, desperate to salvage whatever they could.

And then the biggest goose slowly swam over.