US Fish and Wildlife Service

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.

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.


Chicago Zoological Society

Twenty five environmental groups are calling on federal wildlife officials to release three captive-raised Mexican gray wolf packs into the wild. KNAU’s Ryan Heinsius reports, they say the endangered population needs increased genetic diversity to survive.


Los Lunas Silvery Minnow Refugium

Summers like this one, the Middle Rio Grande in New Mexico is a river without water. When it dries up, tiny fish become trapped in shrinking pools. But rescue missions are underway.  


Courtesy

A nonprofit devoted to protecting jaguars believes one that was spotted in Arizona mountains in recent years has since died.

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