HomeScienceRare snowy owl soars over Washington, thrills crowds

Rare snowy owl soars over Washington, thrills crowds


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A snowy owl apparently touring iconic buildings of the nation’s capital is captivating birdwatchers who manage to get a glimpse of the rare, resplendent visitor from the Arctic.

Far from its summer breeding grounds in Canada, the snowy owl was first seen on Jan. 3, the day a winter storm dumped eight inches of snow on the city.

Since then, it’s been spotted in the evenings flying around Washington’s Capitol Hill neighborhood, landing on Union Station, the National Postal Museum, various Senate buildings, and Capitol Police headquarters.

Late last week about three dozen people in thick coats trained their binoculars on the football-sized bird with bright yellow eyes as it perched on the stone head of Archimedes, a famous ancient Greek mathematician, carved above the train station entrance.

The nocturnal hunter appears to be targeting the city’s plentiful downtown rat population.

“Snowy owls are coming from a part of the world where they see almost nothing human, from completely treeless open Arctic tundra,” said Scott Weidensaul, a researcher at nonprofit Project SNOWStorm, which tracks snowy owl movements.

Some owls migrate south out of the Arctic every winter, but the number fluctuates, he said. About every three to five years, a spike in the population of lemmings, their chief food source, results in a larger number of surviving owl chicks. In those “irruption” years, more birds migrate and migrate farther.

Most winters, North American snowy owls don’t go much below the Great Lakes or Cape Cod area, Weidensaul said.

However, “in irruption years, they tend to go farther south than they usually would,” he said. “A lot of the snowy owls we’re seeing now in the East and Upper Midwest are young birds, on their first migration.”

On eBird, a nonprofit platform used by birdwatchers, snowy owls have been reported this winter in Kansas, Missouri, Tennessee, North Carolina and Maryland.

Since it was first seen, the Capitol Hill owl has attracted a few dozen birdwatchers each night hoping to spot the same owl species that delivers messages to Harry Potter.

The onlookers have included new birdwatchers and those who have been doing it for decades, like Swiss ambassador to the U.S., Jacques Pitteloud, many hoping for a “lifer”—the first time a birdwatcher has seen a particular bird.

Last Thursday, the owl perched on a bronze eagle atop a flagpole. Then it soared, its 5-foot white wingspan silhouetted against the inky night sky, to land on a large stone orb held by carved birds, part of an ornate fountain.

Ambassador Pitteloud picked up his camera tripod and ran through the grass to get a better view. When he later posted on Facebook, the 50-year veteran birdwatcher wrote, “The Superstar of Union Station! Snowy owl, a lifer for me in a very, very unlikely setting!”

Kerry Snyder, who lives in Washington, has been avidly birdwatching during the pandemic. “It’s been a great way to connect with people outdoors, when that’s been the safest place to be,” she said.

She reminded other onlookers not to use flash photography, or approach the owl too closely, lest the bird feel startled or threatened—good practices for viewers observing any bird of prey.

Scientists consider snowy owls to be ” vulnerable ” to extinction and estimate the total global population to be less than 30,000 birds.

Weidensaul said that threats to snowy owls include urban hazards—in particular, vehicle collisions and poisons used to kill prey animals like rats, which can also kill raptors—as well as climate change.

“The climate is changing more dramatically in the Arctic than anywhere else on Earth,” he said, and that may make sightings like this one even rarer. In some parts of the Arctic, thinning ice is already reducing the number of boom years for lemmings.

After decades studying snowy owls, Weidensaul still feels awe: “This is a piece of the Arctic in downtown DC—you’re not going to see a polar bear walking in front of the White House.”

Snowy owl numbers far lower than once thought

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Citation: Rare snowy owl soars over Washington, thrills crowds (2022, January 10) retrieved 21 January 2022 from https://phys.org/news/2022-01-rare-snowy-owl-soars-washington.html

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