Listings, reintroductions, field reports and seasonal guides for Colorado's threatened and at-risk species
Showing 13 of 13 articles
Photo: NPS / Jacob W. Frank — Public domain A presidential order and a letter from the U.S. Department of Agriculture have restarted the debate over federal wolf protections. Here's what it would and wouldn't change in Colorado.
Photo: Carol M. Highsmith / Library of Congress — Public domain The next governor appoints the commission that sets Colorado's wolf and wildlife rules. Here is what Phil Weiser, Victor Marx and Greg Lopez have said, in their own words.
Photo: John and Karen Hollingsworth / USFWS — Public Domain Colorado paused killing wolves in part because no new wolves are coming. Here's why every source said no, and the three decisions that shape what happens next.
Photo: RyanFSpack — CC0 Two measures on Colorado's Nov. 3 ballot deal with wildlife: a constitutional right to hunt and fish, and a plan to send part of the existing sales tax on sporting goods to conservation and wildfire work.
Photo: Aiva Noringseth / iNaturalist — CC BY 4.0 Colorado's fall tarantula migration is really a mate search. Mature male Oklahoma brown tarantulas leave their burrows for good and walk the prairie south of La Junta, mostly in the hour before dusk, from late summer into October.
Photo: Kayt Jonsson / USFWS — Public Domain Plague still circulates in Colorado's wildlife, and prairie dogs are among its most visible victims. Here's how people actually catch it, the cases on record, the warning signs and how to stay safe.
Photo: Tom Koerner / USFWS — Public Domain Five underpasses and 28 miles of fencing have sharply cut wildlife crashes on I-25 south of Castle Rock, by 91% in one year according to a CDOT study reported by Colorado Politics. The giant Greenland overpass, built for elk and pronghorn, gets its first scientific report card in 2027.
Photo: Caleb G / Threatened Colorado Not long ago, Hanging Lake was being loved to death. A permit cap, a rebuilt trail and new science signs are giving its travertine, black swifts and rare plants room to recover.
Photo: Jim Hudgins / USFWS — Public Domain Proposed for threatened status in December 2024, the monarch butterfly still has no federal protection. A September 2026 settlement gives USFWS until June 6, 2030, to decide.
Photo: John and Karen Hollingsworth / USFWS — Public Domain CPW confirmed 45 gray wolves in Colorado, including 20 pups born this year, and paused its policy for killing wolves that repeatedly attack livestock after adult survival fell to 61%.
Photo: Kate Miyamoto / USFWS — Public Domain About 23,000 to 27,000 sandhill cranes pass through the San Luis Valley each spring and fall. The fall birds arrive in mid-September, peak in early October and feed on harvested grain around Monte Vista National Wildlife Refuge.
Photo: Blue Mountains – Oregon Conservation Strategy — Public Domain CPW's Wolverine Restoration Plan calls for up to 45 wolverines in Colorado's high country, released up to 15 per winter for three or more winters.
Photo: Lori Iverson / USFWS — Public Domain CPW confirmed wolf pups on the Western Slope in summer 2024 — the first wolves born in Colorado since the species was eliminated in the 1940s.
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