A video of a screaming cape rain frog encountered near Cape Town, South Africa, is drawing amusement as it makes its way around the Internet—but experts say the footage clearly shows a frog in distress.

Simon Van Nierop, who captured the video, was taking a walk with his children and dogs in the Tokai Forest in Table Mountain National Park when they heard high-pitched screaming. They traced it to a yellow and black, puffed up cape rain frog, a species endemic to South Africa's Western Cape and listed as near threatened on the IUCN Red List.

The footage Van Nierop took is billed as "hilarious," but not everyone agrees that it's funny.

“I find it sad, not hilarious,” says Jill Goldman, a private