An Arctic hare traveled at least 388 kilometers in a record-breaking journey

1/28/2022 9:30:00 PM

It’s the longest trip ever recorded among hares or their relatives.

It’s the longest trip ever recorded among hares or their relatives.

An Arctic hare’s dash across northern Canada, the longest seen among hares and their relatives, is changing how scientists think about tundra ecology.

Arctic hares can go the distance. A member ofLepus arcticusin northern Canada has traveled farther than anyone knew possible.BBYY, as the adult female was known, madein 49 days — the longest distance ever recorded among hares, rabbits or any other relatives — researchers report online December 22 in

Ecology.“To think that such a small animal living under such extreme conditions averaged about eight kilometers per day across seven weeks is truly astounding,” says Joel Berger, an ecologist at Colorado State University in Fort Collins and a senior scientist at the Wildlife Conservation Society in Bronx, N.Y., who was not involved in the study.

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January 26, 2022 at 9:00 am Arctic hares can go the distance.Share on Pinterest Share on LinkedIn ANCHORAGE, Alaska (KTUU)- Porcupines are not the first animal that comes to mind when one thinks of Alaska, but Alaska Zoo Curator Sam Lavin believes they are one of the toughest animals in Alaska.their contract with the Department of Law , which was finalized Wednesday..

A member of Lepus arcticus in northern Canada has traveled farther than anyone knew possible. BBYY, as the adult female was known, made in 49 days — the longest distance ever recorded among hares, rabbits or any other relatives — researchers report online December 22 in Ecology . They both have unique personalities and Sasha is used for Zoo educational purposes for children. “To think that such a small animal living under such extreme conditions averaged about eight kilometers per day across seven weeks is truly astounding,” says Joel Berger, an ecologist at Colorado State University in Fort Collins and a senior scientist at the Wildlife Conservation Society in Bronx, N. “With the myriad of federal litigation we are involved in due to the exponential increase in federal actions that negatively impact Alaska, it was necessary to bring in additional resources to assist with these efforts and effectively represent Alaska’s sovereign interests to manage and responsibly develop its resources,” Sadler said in an email.Y. At the zoo, their diet consists of whole vegetables, leaf greens, a little bit of fruit, and rodent blocks, but in the wild they eat whatever they can get., who was not involved in the study. They’re combining satellite data, quadcopter measurements, and good old boots-on-the-frigid-ground fieldwork.

Arctic hares — which weigh roughly the same as house cats, about four kilograms — are desirable prey for foxes and wolves on the tundra. They gain a coat in the winter that makes them perceived as much less dangerous.” An Interior Department spokeswoman declined to comment. Given the hares’ important role in the Arctic food web, mammalian ecologist Dominque Berteaux of the Université du Québec à Rimouski wanted to know how the animals move across the arid landscape. In 2019, Berteaux and colleagues affixed satellite tracking collars on 25 hares captured near the northern tip of Ellesmere Island in Nunavut, Canada. “The brown hair she only has in the winter and that’s her puffy coat for the winter and then underneath that is all of her quills,” Lavin explained. As the hares swiftly hopped away, the researchers had no idea the creatures were beginning a mind-blowing expedition across the tundra, Berteaux says. In a midyear update to legislative budget analysts, the law department said that last year’s line item is helping to pay for work on 13 legal matters, though it has not provided a list. That’s because hares and their relatives, called ( SN: 3/8/58 ), typically spend their lives within a single, familiar territory where food is plentiful and easy to find.” The puffy coat is like cat whiskers that allow the porcupine to have a sense of what is around them. Photograph: Jeff Kerby/National Geographic Society From 50 meters high, a drone snaps a shot of cotton-grass tussocks, essentially clumps of grass.

The Arctic hares thumped that trend, with most traveling anywhere between 113 and 310 kilometers. None came close to BBYY, who died of unknown causes about a month after reaching her final destination. In winter they’re able to stabilize their body temperature by using quills and guard hair to insulate themselves. “There are so many ways the state could support Alaskans: in strengthening our existing infrastructure to better prepare us for the impacts of climate change, in developing equitable access to telecommunications as we enter year three of a pandemic, in diversifying our energy grid and economy. For a hare to endure such a perilous journey, it must balance the need to find food without becoming food, says Dennis Murray, a terrestrial ecologist at Trent University in Peterborough, Canada, who wasn’t involved in the work. That makes BBYY’s excursion even more impressive, he says. In fact, about 50% of the porcupines weight in the fall was in the form of fat. Berteaux and colleagues hope data from BBYY and the other hares can help inform conservation strategies for the polar desert ecosystem.” Sponsored. Normally, the shrubs and grasses of the tundra trap snow in the winter, and keep it from blowing around the landscape.

But even at this early stage, it’s exciting to find “something unsuspected in an animal that we thought we knew quite well,” Berteaux says. Porcupines happened to be Lavin’s favorite animal due to her friendship with Sasha for so long. Questions or comments on this article? E-mail us at .