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migration

Vultures Sail the Strait

From atop a thermal, Turkey Vultures in groups of up to 200 sail across the Strait of Juan de Fuca, making landfall near Salt Creek County Park on the Olympic Peninsula. The Olympic Peninsula Audubon Society sponsors a free field trip to witness this autumnal passage. Check out that or other... read more »

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Topics & Themes:  migration

Swainson's Thrush, Power Napper

When the Swainson's Thrush departs its wintering grounds in Mexico or South America, it travels at night. When does it sleep? Recent research by scientists at Bowling Green State University suggests that during migration, Swainson's Thrushes take hundreds of "power naps," lasting only a few... read more »

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Topics & Themes:  migration, science

Where Swallows Go in Winter

Through all of spring and summer, swallows dart and sail overhead, their airborne grace a wonder to behold. But by October, the skies seem empty. Most swallows have flown south, in search of insects. The eight species of swallows that nest in the US - including this Cliff Swallow - migrate south... read more »

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Topics & Themes:  migration

Early Spring Songs (SE Alaska)

In March, we welcome the lengthening days and the renewal of bird song. Among the earliest spring singers in the SE Alaska are American Dipper (left), American Robin, and American Tree Sparrow. Listen to the songs of these early spring songsters and thousands of others at Cornell University's... read more »

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Topics & Themes:  migration, vocalization

Early Spring Songs (Washington State)

In March, we welcome the lengthening days and the renewal of bird song. Among the earliest spring singers in the Northwest is this House Finch, whose sweet, jumbled song carries along city blocks and rocky canyons. And spring songs are breaking out all over the country. Listen to the song of the... read more »

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Topics & Themes:  migration, vocalization

The Lobstick Family of Whooping Cranes

The celebrities of the Whooping Crane world have to be the Lobstick family, named for the Lobstick marshes where they nest in Canada. The Lobstick male, at 33, is the oldest Whooping Crane in the wild whose age we know for certain. And Tom Stehn of the US Fish and Wildlife Service tells us the... read more »

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Topics & Themes:  migration

Spring Brings New Bird Songs

All winter long, our neighborhood House Finches--like this one--have called to one another with their distinctive, sweet cheeps. And our resident Song Sparrows, with calls that sound like a tiny barking dog. But as the days grow longer in late winter, the lengthening light helps trigger a bird's... read more »

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Topics & Themes:  migration, vocalization

Operation Migration Update

Unlike many other birds that have an inherent sense of direction and destination, young Whooping Cranes have to learn their migration route from the adults. Enter Operation Migration and ultralight aircraft to lead the eastern population of cranes on their journey from Wisconsin to Florida!... read more »

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Topics & Themes:  migration

Probing with Sandpipers

The variety of bill sizes and shapes among the sandpipers is astounding! Many sandpipers have sensitive nerve receptors in their bill tips, so they can find unseen prey through touch, odor, and pressure changes. Those sandpipers with long, straight bills - like this Long-billed Dowitcher - are... read more »

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Topics & Themes:  migration

Shorebirds in Kansas - Oval Migration Pattern

Almost half of all migratory shorebirds nesting in North America migrate through the Cheyenne Bottoms Wildlife Area in central Kansas. Almost all of the continent's Wilson's Phalaropes rest and refuel at the wetlands here. The birds fly a great oval route. In autumn, in the East, they head from... read more »

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Topics & Themes:  migration

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