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Past Shows

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Tracking Pintail Migration

Thirty years ago, there were six million Northern Pintails in North America. Now? Just over three million. Duck numbers plummeted in the 1980s drought. When returning rains improved breeding habitat, duck abundance rebounded. Except for Northern Pintails. During migration, the birds fly first to... read more »

Topics & Themes:  migration, science

Shakespeare's Crows, Owls, and Ravens - With Rod Molzahn

Shakespeare's tragedies and histories are filled with crows, owls, and ravens, birds of evil portent, promising sickness and death. Shakespearean actor Rod Molzahn describes some of them! King Henry speaks to Gloucester: "The Owl shriek'd at thy birth - an evil sign; the Night-Crow cried, aboding... read more »

Northern Shovelers Pinwheeling

The Northern Shoveler's oversized, spoon-shaped bill helps it stand out in even the most crowded pond. And while it doesn't actually use its bill to shovel, the Northern Shoveler skims tiny plants and animals off the water's surface and filters out the edibles with the help of tiny comb-like... read more »


Bats - Fear or Appreciation?

Bats.... creatures to regard with superstition and fear? On summer evenings, bats put on an aerial display while eating hundreds of mosquitoes. Kent Woodruff of the US Fish and Wildlife Service spearheaded a project to save Townsend's big-eared bats. They preserved an old cabin that the bats had... read more »

Peregrines and Pigeon Plumages

Urban Peregrine Falcons rely on Rock Pigeons for much of their diet. But some pigeons appear harder to catch than others. Pigeons with white rumps evade pursuing falcons more often than those with dark rumps. When scientists took dark-rumped pigeons and colored their rumps white, their survival... read more »

Topics & Themes:  plumage

Let's Go Birding - Tips from an Expert

Join members of the Klamath Bird Observatory in Ashland, Oregon, as they head east over the Cascade Mountains and drop down into the Great Basin. They're looking in particular for diurnal raptors, that is, eagles, hawks, harriers, vultures, and falcons that soar and hunt during the day. To... read more »

Topics & Themes:  birding

October Planting for Wildlife

October is the perfect time to plant for the benefit of next year's birds, including this Cedar Waxwing. Your new plants will put their resources into their roots rather than leaves or flowers. And the season's reliable rain will reduce the need to water. To attract the greatest variety of birds... read more »


Eagles on the Elwha River

2012... Salmon once battled their way up the Elwha River to spawn. And every fall, hundreds of eagles feasted on the spent fish. But a century ago, two dams were built on the river, and they reduced the river's salmon population by more than 90 per cent. After nearly 40 years of negotiation, the... read more »


Salt Pond Restoration in San Francisco Bay

Thousands of acres of south San Francisco Bay that lay under industrial salt ponds for over a century are now being restored to native tidal marsh. The South Bay Salt Pond Restoration Project has acquired almost 24 square miles that salt producers had diked along the bay's tidal margin. The... read more »

Bird Sounds Transport Us Back

Bird calls can transport us to times deep in our memory. Is the sound of the Whip-poor-will at dusk part of your memory? Maybe you heard Common Loons calling on a northern lake. Perhaps you awoke on a summer morning to the cooing of a Mourning Dove. Use the link below to discover how your bird is... read more »

Topics & Themes:  vocalization