These are the 1st images of humpbacks having sex, and they're both males

As It Happens6:291st images humpback whale sex is between 2 males

When biologist Stephanie Stack first saw the photographs of two humpback whales mating in the warm waters of Hawaii, she says her mind was “completely blown.”

“When I realized that it was two males, it was not what I was expecting,” she told As It Happens host Nil Köksal. “I thought, oh my gosh, this is incredible.”

Stack, chief biologist at the Pacific Whale Foundation in Maui, says this is the first time humpback whale sex has been documented. She co-authored a paper about the rare sighting in the journal Marine Mammal