Many people visit South Africa's Kruger National Park with hopes of seeing the "big five": lions, leopards, rhinos, elephants, and buffalos. But one of the vast park's most ferocious animals comes in a slightly smaller package: the mongoose.

While on vacation in Kruger last June, South African Delia Bronkhorst saw a mongoose jumping at and biting a much larger, dangling snake. Her video shows the snake tangled in tree branches, its head hanging down toward the ground. A mongoose repeatedly tries to pull the snake loose, making its head progressively bloodier.

According to Bronkhorst, this went on for nearly five minutes, so long that she stopped filming, assuming they wouldn't see the mongoose successfully loosen its prey. Just as they