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invasive species

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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Eurasian Collared-Doves' Sense of Direction

The Eurasian Collared-Dove is rapidly increasing across the US and southern Canada. This sandy pink bird with the neat black neckband was released in the Bahamas in the 1960s. Brought in as pets, some doves escaped. They made it to Florida a few years later and have been spreading in a generally... 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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Kauai O'o, Hawaiian Forest Bird

The Kaua'i O'o, a small forest bird, was once found on the Hawaiian Island of Kaua'i. Sadly, the O'o's song was heard for the last time in 1987. The native birds of the Hawaiian Islands have been hit hard by changes brought about by humans. Habitat destruction, introduction of non-native species,... read more »

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Topics & Themes:  vocalization

Saving Hawaii's Birds - With American Bird Conservancy

American Bird Conservancy and other organizations are working to make Hawaiian birds a top national priority for conservation. Of all the endangered bird species in the United States, more than one-third are found only in Hawaii. Biologists on Hawaii's Big Island are working to restore this... read more »

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Topics & Themes:  science

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