Endangered Species

Center for Biological Diversity

A conservation group is suing the Trump administration over the protection of critical habitat for garter snakes in Arizona and New Mexico.

Earth Notes: Bald Eagle Survey

Nov 28, 2018
Dyer Lytle

Each year across the nation, including the Four Corners states, several hundred volunteers brave freezing January temperatures to count bald eagles. They hunker down on lakeshores peering through spotting scopes, drive standard survey routes clutching binoculars, some even observe from boats and planes.


USFWS

Federal wildlife officials have released a draft proposal outlining next year’s plans for Mexican gray wolf releases in the Southwest. It focuses on placing captive-born pups in wild dens to increase genetic diversity. KNAU’s Ryan Heinsius reports. 


Nagel Photography/Shutterstock

An Arizona man has pleaded guilty to shooting and killing an endangered Mexican gray wolf.

Melanie Fischer / USFWS

A new scientific report says the razorback sucker is on its way to recovery. The report recommends “downlisting” the Colorado River fish from endangered to threatened. KNAU’s Melissa Sevigny reports.

U.S. Bureau of Reclamation

A new study says endangered razorback suckers upstream of Lake Powell may struggle to migrate up the San Juan River to spawn. The fish are blocked by a waterfall that formed two decades ago when the river changed its course. KNAU’s Melissa Sevigny reports. 


Jim Clark, U.S. Fish and Wildlife Service

Some ecologists and activists argue the endangered Mexican gray wolf should be reintroduced further north in Arizona to increase the population. But a new study coauthored by the Arizona Game and Fish Department says expanding the range would harm recovery efforts. KNAU’s Melissa Sevigny reports.


U.S. Geological Survey

The Colorado River that runs through Grand Canyon National Park supplies water to nearly forty million people in the West. But longstanding programs to protect the river’s health are about to be defunded by the federal government. River managers say the result could be disastrous for the crown jewel of the national parks. KNAU’s Melissa Sevigny reports.


U.S. Bureau of Reclamation

The federal government plans to defund several longstanding programs that monitor the environmental health of the Colorado River and the Grand Canyon. KNAU’s Melissa Sevigny reports, representatives of all seven Colorado River Basin states are condemning the action.


The Peregrine Fund

Arizona's Game and Fish Department is inviting the public to witness the release of endangered California Condors at Vermilion Cliffs National Monument next month.

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