INFORMAZIONI SU QUESTO EPISODIO

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ALTRI EPISODI IN QUESTO PODCAST

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 U.S. — including the Cliff Swallow — migrate south t…

Owls Migrate, Too

 When you think of bird migrations, you might think of a bluebird or a robin first. But some owls do migrate – such as the Short-eared Owl, which flies south for the winter. Northern Saw-whet Owls were once thought non-migratory, but in fact they travel at night, unseen. Snowy Owls breed in th…
Biologists with Manomet tagged a Whimbrel named Lindsay with a GPS tracker. She has spent the summer breeding in the Arctic National Wildlife Refuge on the northern coast of Alaska. As fall migration begins, she heads straight into a storm in the Gulf of Alaska. The tempest slingshots her toward Br…
In the October sunlight, a Lincoln's Sparrow – like this one – sings energetically from a hedgerow. Soon a Fox Sparrow chimes in. Both nested in Alaska last summer but will spend the winter farther south. The Snow Geese are moving, too. A massive movement of birds takes place in the fall. The exodu…

Flyin' in the Rain

Most birds are mostly waterproof. Their feathers, aided by oil from preen glands, keep them pretty watertight. So why do birds avoid flying during rainstorms? It may have more to do with the air than with the water. Rainstorms tend to occur when atmospheric pressure is low. Air in a low-pressure sy…
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