One day, a Navy trained dolphin devoured eight venomous sea snakes.
Dolphins only play with sea snakes.
Scientists were puzzled by the attacks because they can be dangerous.
The first time scientists have documented such behavior was when a dolphin hunted and devoured sea snakes.
The US Navy has trained bottlenose dolphins to locate mines, which is why researchers at the National Marine Mammal Foundation strapped cameras to the dolphins. The dolphins were working on a project. They want to see them hunt fish.
One of the dolphins went for a more unconventional meal. One day, cameras recorded her eating sea snakes. There was no documentation of dolphins eating sea snakes prior to this study. Venomous snakes can be dangerous if you ingest them.
The dolphin catches a snake and swims around with it for a while, jerking its head repeatedly to eat its prey. According to the study, it emits a high-pitched shriek.
There is a video on the internet.
The study authors wrote that the dolphin clicked as it approached the snake and then sucked it in with a bit more head jerking.
Was it something you saw? The dolphin grabbed the sea snake before it could be seen.
The researchers didn't think their eyes were real. There was no other explanation for the other fish that looked like a sea snake.
The yellow-bellied sea snake is not hunted by other large animals. There are reports of leopard seals eating. Dr. Barb Linnehan is the director of medicine at the National Marine mammal Foundation.
The dolphin didn't show any signs of illness after eating sea-snakes. They don't know why she pursued such risky prey, but they think she learned a lot from her captivity.
The study authors theorize that the dolphin's lack of experience in feeding with dolphin groups in the wild may have led to the consumption of this outlier prey.
The researchers think the snakes she caught were babies. The dolphin tried to grab a bigger snake, but it didn't work out.
It is possible that the snakes had a lower amount of venom because they were thought to be juvenile.
Sam Ridgway, a renowned marine mammal scientist who earned the nickname "Dolphin Doctor" and was the father of marine mammal medicine, died in July.
Business Insider has an article on it.