Scientists are at a loss to explain how the carcass of a juvenile humpback whale came to rest in the Amazon jungle of Brazil.

The carcass, believed to be a 12-month-old calf, was discovered hidden in forest undergrowth about 15 meters (50 feet) from the ocean shore on the island of Marajo – at the wrong time of year for a humpback whale to be in the neighborhood.

A team of biologists from Bicho D'agua Institute shared photos of the 8-meter-long whale on social media, along with a statement saying the whale was a juvenile and "not as big as it looks in the images."

"We're still not sure how it landed here," marine specialist Renata Emin told Brazilian news website Jornal O Liberal. "But wetarget="_blank"'>