Leonardo DiCaprio and Adrien Grenier are headed on a quest to find the world's 'loneliest whale'
The loneliest whale has plenty of friends it's never met.
The large donation, reports The Hollywood Reporter, was the final push for the project to reach its goal of $300,000.
The so-called "lonely" whale is also known by the nickname "52" for the frequency of its call: 52 Hertz.
That's also what makes this whale the loneliest whale on Earth – her call is outside the normal communication range for other whales, so they can't hear her. This is devastating, because whales are social animals that hang out in groups and call to each other to find mates and communicate with other members of their pod.
In 2004 Watkins and colleagues from the Woods Hole Oceanographic Institution published a report on 12 years of tracking the 52 Hz call, which they only heard from one whale per season.
The 52 Hz whale call shared a repetitive, low-frequency tonal character with baleen whale calls like those of blue and fin whales, but didn't match any of the whale species in the large swath of the Northeast Pacific the researchers monitored.
The scientists didn't think the call was quite different enough to represent a new species, but think that 52 may be either a unique whale, or a hybrid of two whale species.
Here's her unique (and very sad) call:
Grenier and Zeman's Kickstarter project will fund a scientific expedition to tag and acoustically monitor hybrid whales, as well as a documentary film about the expedition. The 20-day expedition will venture 400 miles off the coast of California, and also aims to collect data about noise pollution in the oceans.
In an interview with Deadline Hollywood, Grenier speculated about what finding 52 might reveal.
"It would also be the first time anyone has seen 52, so we would observe him to see if he was, in fact, swimming with a pod or on the periphery, which we hope will help us answer the question of whether he's really 'lonely' or not," Grenier said.
Whether the "loneliest" whale swims in a pod or solo, it does have friends in high places.
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