roam

She said the rocks were about 140 to 180 million years old and contained ammonites – spiral-shelled molluscs that lived in the oceans while dinosaurs roamed the Earth.

Heatwaves and increases in sea temperatures can cause some whales to roam far from their usual areas just to survive, he adds.

"The rats, the squeaky blinders, do continue to roam freely in the streets of Britain's second city," she said.

Scott said both animals would be better off at a sanctuary where they have many acres to openly roam in, rather than in the confinement of another zoo enclosure.

It is fenced on three sides to stop animals roaming into the city but it is open to the south to allow animals to migrate in and out of the area.