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invasive species

Stowaway Cockatoo Takes a Cruise

A beautiful Rose-breasted Cockatoo named Harri took the adventure of a lifetime. She set off unseen on a cruise ship from Brisbane, Australia, and wasn’t discovered until the ship neared New Zealand. Authorities there were not happy to see Harri, whose species is the bane of farmers in her native... read more »

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Monk Parakeets

If you live in North America, parrots might seem like exotic creatures. North America’s once-common native species, the Carolina Parakeet, has been extinct since the early 20th Century. But more and more parrots are making this continent their home. Escaped Monk Parakeets now have self-sustaining... read more »

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Inside the burrow of a Rhinoceros Auklet

Everyone knows puffins. Who could forget their comical behavior — with an appearance to match? But you may not know about the Rhinoceros Auklet, a close relative to puffins, found in the Pacific Ocean. Its gray plumage is duller than that of puffins, but during the breeding season it sports a... read more »

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Topics & Themes:  nesting, science

Monitoring Rhinoceros Auklets on Protection Island

The nesting colony of Rhinoceros Auklets on Washington State’s Protection Island is among the largest in the world. The birds’ breeding success reflects the health of surrounding marine waters. Scientists are monitoring the type, number, and food value of the fish the adults provide. And to find... read more »

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Topics & Themes:  ecology, nesting, science

Voices and Vocabularies - Eastern Bluebirds

A male Eastern Bluebird stands on a wooden nestbox attached to a fence post. The bluebird’s song – and his alert presence - assert his claim to this territory. In the mid-20th Century, the numbers of bluebirds in the Northeast declined to the lowest level ever, due largely to nesting... read more »

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Topics & Themes:  birdwatching by ear, sound

California Clapper Rail Study by the USGS

Book researcher, freelance writer, and photographer Ingrid Taylar was on hand in January 2009, when a US Geological Survey team from the Western Ecological Research Center arrived to band and radio-tag the remaining thousand or so California Clapper Rails in the Bay Area. Here's her story. read more »

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Topics & Themes:  science

European Starling Nightmare

You can find European Starlings in huge flocks from coast to coast, and from Northern Canada deep into Mexico. Yet not one of these iridescent-black, yellow-billed starlings is native to the Americas. One hundred starlings were released in Central Park in New York City in 1890. From that small,... read more »

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Topics & Themes:  history

City Birds

I’ve been wondering why some birds, especially some of the introduced species, seem to be so well adapted to cities. They certainly didn’t evolve in cities, yet they are right at home where we’re right at home.Could it be because we tend to introduce birds that are familiar to us, which would... read more »

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Extinction and Islands - Interview with George Wallace

Hawaii has more bird species in danger of extinction than anywhere else in the United States. George Wallace of American Bird Conservancy explains that a long period of evolution in isolation gives rise to specialized island species. Birds that nest on the ground don't have any natural resistance... read more »

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Hawaiian Goose - New Hope for the Nene

On the grassy edge of one of the ponds at Hanalei Wildlife Refuge, we find a Nene -- or Hawaiian Goose -- a small goose found nowhere else but Hawaii. The Nene is the only state bird that is also an endangered species. Once common in the Hawaiian Islands before the first humans landed here, they... read more »

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Topics & Themes:  science

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