Author Archives: Bill Vogrin - DNR

White-nose Syndrome threatening Colorado Bat Colonies

CPW terrestrial biologist April Estep, (tan uniform) and Cassidy English, CPW district wildlife manager, stretched mist nets over a drainage south of Colorado Springs on a May evening in preparation for catching and studying bats. Photo by © Bill Vogrin/CPW

In a muddy creek drainage on a chilly Sunday evening in May, Colorado Parks and Wildlife terrestrial biologist April Estep looked for a rock large enough to brace a piece of steel rebar she had hammered into the soggy ground.

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Orphaned Bear Cubs Get A Second Chance at Freedom

Eight orphaned bear cubs get second chance at freedom as CPW places them in artificial dens on Pikes Peak. All photos by © Mike DelliVeneri/CPW.

Hopefully, eight orphaned bear cubs are now sleeping peacefully on Pikes Peak, snug inside artificial dens built by Colorado Parks and Wildlife officers, staff and volunteers during a recent snowstorm.

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Whirling disease-resistant trout thriving in Arkansas River

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A Gunnison River rainbow trout after it was caught last May during spawning operations by Colorado Parks and Wildlife biologists. Because they are resistant to deadly whirling disease, Gunnison River rainbow trout are being spawned so that strain of rainbows can be stocked in rivers across the state. Photo by © Bill Vogrin/CPW

A recent survey by Colorado Parks and Wildlife biologists found rainbow trout thriving in the Arkansas River near Salida offering a hopeful sign for wildlife conservation efforts aimed at overcoming whirling disease, which decimated trout populations in Colorado after its discovery in the 1980s. Read more

Burrowing Owls

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Every year is ‘year of the bird’ for CPW raptor specialist April Estep. Photo by © Bill Vogrin/CPW.

YOTB_stacked_KFrom the passenger seat of a pickup truck going 60 m.p.h. down a southeast Colorado highway, April Estep scanned the landscape using her hand to shield her eyes from the blinding dawn sun.

Estep, a Colorado Parks and Wildlife (CPW) wildlife biologist and raptor expert, was staring intently, searching for prairie dog colonies in passing fields. Read more

Bald Eagles: A Majestic Mystery

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Bald Eagle. Photo by © Wayne Lewis/CPW.

Mystery surrounds bald eagles as CPW parks celebrate the national symbol.

There’s a mystery surrounding Colorado’s bald eagles. The birds migrate through Colorado every year by the hundreds, roosting, hunting, fishing, nesting and producing new chicks. But recently they’ve migrated away from a favorite viewing site and no one is quite sure why.

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