An enormous flock of Sooty Shearwaters travel south for New Zealand. (Photo: J. Maughn FCC)
As summer winds down, migratory birds in the Northern Hemisphere begin their trip south. Many species head down the flyways that cross the US, but as BirdNote’s Michael Stein reports, many travel unseen offshore.
BIRDNOTE®/ VAST UNSEEN MIGRATION
[MUX - BIRDNOTE® THEME]
CURWOOD: As we slide increasingly away from the summer vacation travel season – many birds are contemplating trips of their own – some even go halfway around the world. And though many of us like to watch geese and the like heading south down the great flyways that cross the country – there’s a massive migration that we miss, as Michael Stein explains in today’s BirdNote®.
[Sounds of waves, gulls]
STEIN: Late August is a fine time to walk the ocean beach. Weather is growing mild; gulls jabber overhead; waves gently lap the sand. But look out to sea: if your eyes could take you beyond the horizon, you would see an astonishing scene.
A vast migration is taking place. Offshore, over the Pacific and Atlantic Oceans, millions of seabirds are on the move. Most are heading south, migrating past the US coastlines in August and September.
Fierce, predatory jaegers that nested on the Arctic tundra are flying south to winter on tropical oceans. Arctic Terns and skuas are departing on an epic journey, flying all the way to Antarctic waters.
STEIN: Shearwaters in the tens of millions leave northern oceans to nest in the Southern Hemisphere, many near New Zealand. Even puffins bid farewell to their shoreline nesting cliffs now, scattering widely across the open ocean for the winter.
[Sounds of waves, gulls]
STEIN: Meanwhile, back on the beach with the warm August sand between our toes, we relax. We squint out into the distant blue. Above the glimmering sea, is that a single shearwater we see, tipping above the horizon? A straggler, maybe? And a clue to that immense migration taking place just beyond our sight.
I am Michael Stein.
Written by Bob Sundstrom
Bird sounds provided by The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology, Ithaca, New York. Ring-Billed Gull 169780 recorded by Jay MacGowan; Arctic Tern 138232 recorded by Gerrit Vyn.
Surf sounds: Surf Small Detailed SFX #21; Surf Moderate SFX #23; and Surf Distant SFX #27 from Nature Essentials recorded by Gordon Hempton of QuietPlanet.com
BirdNote’s theme music was composed and played by Nancy Rumbel and John Kessler.
Producer: John Kessler
Executive Producer: Dominic Black
© 2015 Tune In to Nature.org August 2015 Narrator: Michael Stein
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