Ouch! Greedy African buffalo headbutts its mother's udder for milk

A visitor to Kruger National Park in South Africa has recorded an African buffalo calf repeatedly headbutting its mother in the udder.

"This buffalo cow stood patiently, chewing her cud while her large calf butted her udder to make her release milk," said filmer Bob Humphries.

"The butting looked painful to me, but the cow did not seem to mind," he added.

The clip was filmed back in 2016.