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endangered species

Counting Kirtland's Warblers - Interview with Karen Markey

Learn about one of the first species to be listed as endangered after Congress adopted the Endangered Species Act in 1973: The Kirtland's Warbler. Karen Markey and others make an annual census of the birds, to help federal and state agencies determine how well the recovery plan for the warblers... read more »

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The Birds and Plants of Hawaii

Three-quarters of Hawaii's native flowering plants probably came from seeds that hitched rides with birds. Sticky or barbed seeds adhere to the feathers. Other seeds travel in mud caked on a bird's feet. And still others cross the ocean in the stomachs of birds. The most likely seed-carriers were... read more »

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Alala - The Hawaiian Crow

'Alala, also known as Hawaiian Crows (although they're more like ravens), were once common on the Big Island of Hawaii. But the birds suffered from persecution by humans, degraded habitat, and disease, and by 2002, no 'Alala were left in the wild. Today, captive breeding is under way in Hawaii,... read more »

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Topics & Themes:  science

Pelicans Go Fishing

Unlike Brown Pelicans, which dive from above to capture fish, American White Pelicans often feed by forming a group. They swim in a line, and—while herding a school of fish—dip their heads all at once. The pelican's broad bill spreads its huge pouch, as the bird pushes through the water. As the... read more »

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Topics & Themes:  ecology

Red-cockaded Woodpecker and Southeastern Forests

Native to the Southeast across to East Texas, Red-cockaded Woodpeckers differ from most woodpeckers. They remain in cooperative family groups throughout their lives. And they excavate nests in living trees rather than dead ones, often reusing the same cavities for decades. The federal government... read more »

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Topics & Themes:  nesting

Ivory Gull and Conservation

Polar Bears symbolize the icy landscapes of the far north like no other animal. The bear's way of life — its very survival — is inseparable from the Arctic pack-ice. Less familiar is a remarkable bird that shares with the Polar Bear this vital link to ice: this Ivory Gull. The gulls feed on small... read more »

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Conserving Wetlands for Black Rails

Black Rails are marsh-inhabiting birds, more often heard than seen. Many Black Rails nest in marshes along the Atlantic seaboard and in the Midwest. But in winter they concentrate in the coastal marshes of East Texas, Louisiana, and Florida, areas that face many threats. US populations of Black... read more »

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Buff-breasted Sandpiper

A male Buff-breasted Sandpiper courts a female on their breeding grounds far north of the Arctic Circle. He raises his wings, flashing their silvery-white undersides, as he sings his clicking serenade. These birds spend much of the year on grasslands in Argentina, migrating to the Arctic in late... read more »

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Terns of Great Gull Island - Interview with Helen Hays

Helen Hays has been observing and banding the Common and Roseate Terns that nest on Great Gull Island since 1969. She's there with colleagues from the American Museum of Natural History and a host of dedicated volunteers. These terns nearly disappeared when plume-hunters slaughtered them for... read more »

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Topics & Themes:  citizen science, science

American Golden-Plover Lays Claim to the Tundra

A male American Golden-Plover proclaims its nesting territory with an aerial display known as the "butterfly flight." After flying up 50 feet, the plover switches to slow motion, raising its wings languidly until the wingtips nearly touch over its body, then lowering them gradually until they... read more »

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Topics & Themes:  nesting

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