calf

He says the costs to put the cameras in is "worth it" if it means saving a calf's life.

The system also means the chance of a calf dying is less likely, as Mr Cursiter is able to monitor the situation closely.

The England left-back, who hasn't played for the club since February, sustained a calf injury in early August.

Buttler joined England's training session in Barbados on Monday as he targets a return from a calf injury in the T20 series against West Indies, which starts on Saturday.

The tiny endangered pygmy hippo calf, named Haggis, arrived on 30 October and zookeepers said her personality was "beginning to shine" already.