High-Speed and Long-distance Migration. During migration, swifts can cover 570 and up to 800 km in a single day, 3 flying at altitudes up to 2500 meters. 4 Their long, pointed wings allow for ...

Nabak says migration may be winding down in the area, but declining food sources, like insects, and fewer chimneys, are having an impact on the birds. "I think it's 67% of the swifts in North ...

In their 2022 paper, they showed that black swifts remain in the air flying nonstop during migration and throughout their nonbreeding period. “So they're not landing for six to eight months ...

The Vaux's Swift is a tiny bird – some people call it “a cigar with wings.” But every fall these little birds make a big trip, from summer breeding grounds in the Pacific Northwest down to ...

After the migration season, the Bird Alliance of Oregon will investigate the Chapman chimney to make sure there isn’t an internal blockage that’s keeping the swifts away.

Is it a bird? Is it a tornado? Vaux's swifts say, why not both? Driving along Agate St. and near 19th Ave., you may see dozens of people looking up toward the sky at a unique phenomenon.

Nabak says migration may be winding down in the area, but declining food sources, like insects, and fewer chimneys, are having an impact on the birds. "I think it's 67% of the swifts in North ...