environment

KNAU and Arizona News
5:00 am
Mon October 13, 2014

Lead Poisoning in California Condors at a 10-Year Low

Seventy five California condors now inhabit northern Arizona and southern Utah. The endangered scavenger is the largest North American land bird and can have a wingspan of nearly 10 feet.
Credit theraptorcenternews.blogspot.com

Deadly levels of lead in endangered California condors are at a 10-year low. As Arizona Public Radio’s Ryan Heinsius reports, a collaboration between conservationists and hunters to reduce the use of lead ammunition is responsible for the drop.

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KNAU and Arizona News
1:55 pm
Fri October 10, 2014

Mexican Gray Wolf Death in Eastern Arizona Under Investigation

A Mexican gray wolf — 83 of the endangered animals occupy the 4.4 million-acre Blue Range Recovery Area in Arizona and New Mexico.
Credit wolfhaven.org/Julie Lawrence

Last month, an endangered Mexican gray wolf was found dead in eastern Arizona. As Arizona Public Radio’s Ryan Heinsius reports, the animal was part of the Blue Range Recovery Area that spans more than 4 million acres in the Southwest.

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Earth Notes
8:47 am
Wed October 8, 2014

Earth Notes: Wetlands Architect

The American beaver is an appealing animal, with dexterous paws, curious eyes and paddle-shaped tail. But, these rodents, the largest in North America, were nearly wiped out by the early 1900s as trappers sent mass quantities of the thick brown pelts back East for stylish top hats.

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Earth Notes
9:02 am
Wed September 24, 2014

Earth Notes: Monitoring One of North America’s Rarest Mammals

Every fall Arizona Game and Fish conducts a spotlighting event where rare black-footed ferrets are located counted, measured, tagged and vaccinated against bubonic plague near Seligman.

Arizona’s Aubrey Valley just west of Seligman is home to an animal until recently considered one of the most endangered mammals in the world.

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Earth Notes
5:00 am
Wed September 10, 2014

Earth Notes: Restoring Arizona’s Grasslands

Arid grasslands once covered significant parts of the Southwestern states — as much as 24 million acres in Arizona, for example. American pronghorn were widespread in these open spaces, along with many other grassland-dependent wildlife species. 

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Earth Notes
5:01 am
Wed August 13, 2014

Earth Notes: When Does Wildlife Need Rescuing?

A Mexican spotted owl

When Bea Cooley and Brooks Hart headed down Oak Creek Canyon to do some birding last winter, they had no idea just how close their bird encounters would be.

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Earth Notes
5:00 am
Wed August 6, 2014

Earth Notes: Frogs on the Move

The northern leopard frog

On the Colorado Plateau, life begins anew when the monsoon rains come — especially for native amphibians like the northern leopard frog. This beautiful, spotted, greenish-brown frog pays close attention to moisture, and starts to move on humid days and rainy nights.

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Earth Notes
3:39 pm
Wed June 11, 2014

Earth Notes: Shelter Dogs and Salamanders

Rescue dogs search for salamanders in the Jémez Mountains of New Mexico.

An unusual team of four-legged researchers is hard at work in the Jémez Mountains of New Mexico. They love to run, chase balls — and sniff out a rare salamander found nowhere else.

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Earth Notes
8:51 am
Wed June 4, 2014

Earth Notes: Sedona Wetlands Preserve

Made up of reclaimed wastewater, the Sedona Wetlands provides a habitat for wild birds.
Credit Courtesy photo

What happens to the water that runs down your kitchen or shower drain? If you live in Sedona, Ariz., the answer is that it helps migratory birds along their way.

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Earth Notes
2:27 pm
Wed February 26, 2014

Earth Notes: The Line on Fishing Line

Untangling birds from discarded fishing line
Credit Arizona Game and Fish Department

Arizona claims a unique population of desert-nesting bald eagles. Those eagles often build their big bulky nests near water, including lakes and rivers in the northern part of the state. The birds use about anything they can find in nest construction—including used fishing line.

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