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migration

Olive-Sided Flycatcher - Preserving a Unique Voice

These days we're hearing the song of the Olive-sided Flycatcher less often. Clear-cutting and fire suppression in forests, along with acid rain, has reduced its available habitat. Pesticides affect the supply of food. American Bird Conservancy has named it a priority species for conservation.... read more »

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Topics & Themes:  migration, vocalization

Long-billed Curlew - Singing over the Grassland

The Long-billed Curlew is North America's largest shorebird, seen here in its breeding habitat, a western grassland. They may be the largest, but they're also among the rarest. Their numbers are declining as arid grasslands disappear. Because curlews depend on very different environments for... read more »

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Topics & Themes:  breeding display, migration

Lights Out Toronto - Saving Birds

Urban light creates a fatal attraction and disorients migrating birds, which often fly around until exhausted and drop to the ground. Or they may strike a building or window. To prevent these needless deaths, the city of Toronto has created a "Lights Out Toronto" program. Lights go out in city... read more »

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Topics & Themes:  migration

Southbound Swainson's Hawks

At 9,000 feet in the Manzano Range in New Mexico, HawkWatch International counts and bands raptors making their way south along the Rocky Mountain front. Some, like this Swainson's Hawk, fly all the way to the pampas of Argentina. read more »

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Topics & Themes:  migration

Gulf Oil Spill - One Year Later

Sound recordist and photographer, Gerrit Vyn, went with a crew from the Cornell Lab to film and photograph birds in the Gulf of Mexico right after the Deep Horizon oil spill in April 2010. They visited the marshes and the barrier islands that host amazing concentrations of pelicans and terns and... read more »

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Topics & Themes:  migration

Sooty Shearwater Migration

Scientists attached tiny electronic tags to Sooty Shearwaters, then tracked the birds' annual oceanic movements. The shearwaters flew enormous, migratory figure-eights from Antarctic waters to the coastal currents off California, Alaska, and Japan - and then returned south. The yearly migration... read more »

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Topics & Themes:  migration

Conserving Canada's Boreal Forests

The vast Canadian boreal forest provides breeding habitat for almost half of North America's migratory ducks, geese, and songbirds - including this Olive-sided Flycatcher. But the boreal forest is under increasing pressure from logging, mining, the development of petroleum, infestations of pine... read more »

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Topics & Themes:  migration, nesting

Spring Birds Arrive in the Eastern Forest

May in an Eastern hardwood forest, and the chorus of spring birdsong is nearing its peak. The Carolina Wren, a year-round resident, has been singing since the end of winter. The resounding notes of this Ovenbird let us know it has returned safely from Belize, after a long flight across the Gulf... read more »

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Topics & Themes:  migration, vocalization

Bar-tailed Godwits - With David Melville

In our autumn, Bar-tailed Godwits fly non-stop for nine days across the Pacific, to reach New Zealand from Alaska. Each spring, the birds make the trip north to breed. But this time, they stop before they reach Alaska, to refuel on the shores of northeast China and the Korean peninsula.... read more »

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Topics & Themes:  environmental champion, migration

Murres' Swimming Migration - With Bob Boekelheide

When we think of avian migration, we generally think of birds in flight. But Common Murres migrate north by swimming. Some Pacific Coast murres paddle north to the sheltered bays of the Strait of Juan de Fuca to feed on herring and other small fish. During their ocean migration, the adult male... read more »

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Topics & Themes:  migration

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