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Death on the Strait: B.C. sea otter exposed as 'Salish Sea serial killer'

Wolf in sea otter's clothing has a rap sheet longer than the 91ƵColwood crawl91Ƶ at rush hour
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Sea otter Ollie is well-known in the whale watching community.

Floating off the south coast of Vancouver Island is a lonely-looking sea otter with a dark secret 91Ƶ many dark secrets.

Known to the whale watching community and his fans as 91ƵOllie91Ƶ, the infamous 13-year-old sea otter has been living out his life among the kelp at Race Rocks ecological reserve for over a decade.

Initially nicknamed the 91Ƶlonely sea otter91Ƶ because of his solitary lifestyle, in more recent years he has had a rather more sinister title bestowed upon him.

Meet Ollie, the 91ƵSalish Sea Serial Killer,91Ƶ a cute, furry sea otter with a dark side and a rap sheet longer than the 91ƵColwood crawl91Ƶ at rush hour.

Thought to be responsible for the deaths of around 20 river otters 91Ƶ probably more as the marine mammal is not under 24-hour surveillance 91Ƶ Ollie has earned himself quite the blood-thirsty reputation.

91ƵUsually when river otters are seen in the area [of Race Rocks], they91Ƶre not seen again,91Ƶ says Mollie Cameron, who first encountered Ollie in 2016, working for a Sooke-based whale watching company.

Showing some level of attachment to his victims, Cameron says Ollie will carry the dead body 91Ƶlike a teddy bear91Ƶ for days after the killing.

91ƵIt almost looks like the way a sea otter mom would carry a pup,91Ƶ said Cameron, who is also the director of Sooke-based wildlife education organization, Wild Wise. 91ƵHe'll drape them over himself while he's swimming and eating, and leave them up on rocks when he goes diving.91Ƶ

And Ollie doesn91Ƶt stop at 91Ƶottercide,91Ƶ his list of crimes grows longer the deeper. His river otter victims show visible signs of sexual trauma.

91ƵHe91Ƶs been seen doing nefarious things with them for days on end after they've died,91Ƶ said Cameron.

While they can91Ƶt be certain, Cameron and others in the whale-watching community believe the sea otter is not feeding on his victims.

91ƵThey normally eat invertebrates like crabs, snails, urchins, clams, abalone and mussels,91Ƶ she said.

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Ollie the 'Salish Sea serial killer' takes a break from his murderous ways to snack on a crab. Courtesy of Mollie Cameron

So why is Ollie killing and defiling river otters? Cameron says the behaviour could be attributed to his 91Ƶlonely91Ƶ lifestyle, as he is one of only a handful of sea otters recorded this far east in the Strait of Juan de Fuca.

91ƵThe theory is that there's no females around,91Ƶ she says, noting there was a female sea otter and a pup spotted once in the area in 2023, who disappeared as fast as they appeared.

91ƵAnd so he91Ƶs just taking his sexual frustration out on the river otters, as that's kind of his only outlet, supposedly. There91Ƶs all that testosterone pumping, so he91Ƶs probably trying to satiate himself in some way.91Ƶ

But the behaviour is not unique to Ollie, explains Cameron. 

In the early 91Ƶ00s, nearly 20 cases of sexual behaviour between male sea otters and juvenile harbour seals were observed in California 91Ƶ most incidents were fatal for the seal.

Similar to the theory about Ollie91Ƶs behaviour, a lack of females in the vicinity was blamed for the attacks in California.

Sooke91Ƶs newest sea otter on the scene, 91ƵWhiffin', , is also thought to be taking his frustrations out on other wildlife; slaying ducks in the process.

91ƵI would assume it's maybe for the same reason that Ollie kills the river otters,91Ƶ said Cameron.

With the species having a reputation as playful, cute and intelligent 91Ƶ sea otters are the only marine mammal known to use stone tools 91Ƶ people might be surprised to hear Ollie has the upper hand on his river otter rivals,

91ƵSea otters are the bigger of the two,91Ƶ says Cameron. 91ƵEvery animal has the potential to be dangerous 91Ƶ sea otters are no exception to that.91Ƶ

Living offshore, out of sight from humans, means the 91Ƶcrimes91Ƶ of sea otters like Ollie most often go unnoticed, explains the wildlife expert. But for river otters who live closer to humans in abundance, it91Ƶs not so easy to escape public scrutiny.

91ƵSo there's higher opportunity for negative interaction with with pets and people,91Ƶ Cameron said.

While the likes of Ollie and Whiffin might not be a welcome sight for some of their wild neighbours, for Cameron their presence represents a slow comeback to the area for the animal listed as 'special concern' under the Species at Risk Act.

Hunted for their dense fur 91Ƶ on one square inch of a sea otter, there can be anywhere from 500,000 to a million hair follicles 91Ƶ sea otters were extirpated from the B.C. coast in the early 1900s.

91ƵBetween 1969 and 1972, 89 sea otters, taken from Alaska, were reintroduced to the coast of British Columbia,91Ƶ said Cameron.

But while the marine mammal can be seen rafting in big groups in places like Tofino, numbers remain small off the south coast of Vancouver Island.

91ƵIn the many years that I've been a whale watching captain, I think I've only seen four individuals,91Ƶ says Cameron. 91ƵFive, including the Whiffin Spit sea otter.91Ƶ

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Ollie the sea otter can most often be found at Race Rocks ecological reserve. Courtesy of Mollie Cameron

As the population shows signs of a slow increase, the biggest threat to sea otters remains the same as it did in the early 1900s: humans.

91ƵThere is quite a bit of poaching that still happens with sea otters,91Ƶ says Cameron. 91ƵHumans, at the end of the day, are the biggest threat in general.91Ƶ

To help support Ollie and his fellow local sea otters, Cameron recommends keeping a safe distance of at least 100 metres at all times, encouraging the animal to stay wild and not become habituated to humans.

91ƵIt91Ƶs exciting to view animals in their wild habitats, but maintaining that respect for them while being in their homes is so important,91Ƶ she says.

As for Ollie's future, Cameron is curious to see how the animal might react if more sea otters were to move to the area and if it might change his savage behaviour.

But in the meantime, river otters beware 91Ƶ you might want to give Race Rocks a wide berth for now.



Ben Fenlon

About the Author: Ben Fenlon

Multimedia journalist with the Greater Victoria news team.
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