The answer’s rather simple: There are more of them, and they’re hungry. A California sea lion and pup are pictured together on the beaches in the Channel Islands off of Southern California.

There has been a "significant drop" in the number of seal pups born on the Lincolnshire coast, a wildlife trust has said.

The sea lions had learnt to respond to the engines ... we could see a distressed mother frantically calling to her pup through the net, but in its panic the pup couldn’t find a way out.