DENVER - This Labor Day weekend, many Coloradans will be out enjoying the fresh air and wildlife the state has to offer - but there's one sight they won't see. Monday marks the 100th anniversary of the extinction of the passenger pigeon, when the last one - named "Martha" - died at the Cincinnati Zoo.

The commemoration is being used to urge protection of other species that may face the same fate - and of the Endangered Species Act, which protects them.

"The 100-year anniversary of Martha's death is a time to renew our nation's defining values for conservation," said Ya-Wei "Jake" Li, director of endangered-species conservation for Defenders of Wildlife, "and to remind our political leaders that they cannot continue recklessly attacking the ESA."

The Endangered Species Act was passed in 1973, but a bill that recently passed in the U.S. House could make it more difficult for the public to hold agencies accountable when they fail to comply with the law, according to the bill's opponents. Supporters say the legislation was introduced in response to an increasing number of plant and animal species qualifying as "endangered" under the current law.

The passenger pigeon once was the most abundant bird in North America, numbering as many as 5 billion, but the population ceased to exist after decades of hunting and habitat destruction. Li said hundreds of other bird and animal species across the nation also could disappear if the Endangered Species Act is not protected.

"There are about 1,500 species in the U.S. that are threatened or endangered with extinction," he said, "and about 95 percent of these species are threatened by habitat loss, many of the same factors that actually caused the passenger pigeon to go extinct."

Amphibians, common in Colorado's rivers and lakes, also are threatened, and Li said some of the reasons are reversible, if people will put in the effort.

"Putting aside disease, there is extensive habitat loss," he said, "and that's something that is entirely within our control to prevent."

He said Defenders of Wildlife believes the Endangered Species Act to be "an incredible success" in the past 40 years, protecting more than 2,000 species from extinction.

More information on the passenger pigeon is online at defendersblog.org. Details of the Endangered Species Act are at fws.gov/endangered.


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The state Department of Natural Resources and Iowa State University are looking for volunteers to help create a new Bumble Bee Atlas.

Bees are an important part of the ecosystem, and scientists are figuring out their habitats to help them thrive.

Iowa is home to at least 14 species of bumble bees that help pollinate native wildflowers and flowering crops in farm fields and backyard gardens.

Iowa State University University Professor of Sustainable Agriculture and plant pathologist Matt O'Neal said the U.S. Fish and Wildlife Service recently listed several bee species as endangered.

"And that includes the Rusty Patch bumble bee," said O'Neal, "20% of what it used to be, and that includes parts of Iowa. There is also evidence that other bumble species are in decline and so, this survey will give us a chance to see where those bees are and how abundant they are."

With that information, O'Neal said scientists can work to protect the bees' habitats and create Iowa's Bumble Bee Atlas.

It's part of a larger project to map the bees and foster bee development nationwide. Sign up online to volunteer.

The national project is part of a collaboration with the Xerces Society for Invertebrate Conservation.

Some 900 people have volunteered for the national atlas project, and counted more than 20,000 bumble bees - which O'Neal said face several major threats.

"Pesticide exposure, parasite and pathogens," said O'Neal, "and then the last 'P,' and probably the most important, is poor forage."

The researchers will work to alleviate those threats by knowing where the bees are.

Volunteers have discovered species thought to be gone from their states, contributed to new field guides, and improved scientists' understanding of bumble bee populations across the country.




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A coalition of conservation groups has sued the U.S. Fish and Wildlife Service for refusing to relist wolves under the Endangered Species Act.

Helena-based Alliance for the Wild Rockies is part of the suit. The Alliance sued to successfully overturn the wolf's delisting in 2012 but the move fell victim to congressional funding bill negotiations.

Mike Garrity, executive director of the alliance, said the wolves clearly qualify to be protected under the Act and hunting is driving down their numbers, which could cause problems for the animals.

"As their numbers decline, they are at greater risk for inbreeding," Garrity pointed out. "Once inbreeding sets in, the population is sunk."

Livestock and cattle owners argued wolves are a threat to their flocks and herds and want their numbers reduced. The suit was filed in federal District Court in Missoula.

Beyond keeping a robust population of wolves on Montana's lands and helping their species thrive, Garrity noted wolves can also help reduce the population of diseased animals.

"We're starting to have disease in deer, such as Chronic Wasting Disease," Garrity explained. "Predators like wolves are really good at focusing on the sick animals, so that's an excellent way to control Chronic Wasting Disease."

Garrity added wolf management policies in Montana, Idaho and Wyoming, all of which allow aggressive hunting of the animals, fail to protect wolves and all native species for future generations, the primary mandate of the Endangered Species Act.

A lawsuit over a federal agency's decision not to boost wolf protections in New Mexico and other western states has been filed, days after video surfaced showing the torture of a captured wolf.

According to accounts, a Wyoming man ran the wolf down with a snowmobile in late February, disabling it. He then took it to a local bar and posed for photos before shooting it.

Erik Molvar, executive director of the Western Watersheds Project, said federal protections under the Endangered Species Act are essential because there are still those who don't respect wildlife.

"That's why wolves were driven extinct in the first place, is because these types of people were the ones who controlled the public policy discussion throughout much of the 20th century when wolves were driven extinct," he said.

In early February, the U.S. Fish and Wildlife Service declined to restore protections for gray wolves in western states. The agency said it concluded the animals weren't in danger of extinction under the Endangered Species Act.

The lawsuit was filed by the Western Environmental Law Center on behalf of Western Watersheds and a coalition of nine other conservation groups.

Molvar believes the federal agency's decision not to re-designate western wolves as "endangered" was profoundly misguided. He said some states such as New Mexico and Colorado have adopted extra penalties for killing wolves, but the Endangered Species Act lets hunters in other states off the hook if they claim it was a case of mistaken identity.

"There were special loopholes for Wyoming, Idaho and Montana - and also parts of Oregon, Washington and Utah - so it does beg the question of how often this is happening quietly and under the radar," he explained.

In Wyoming, wolves and coyotes, which are considered predators, aren't eligible for protections under the state's animal cruelty statute. To date, the only penalty inflicted on the person shown on social media tormenting the wolf was a $250 fine by the Wyoming Game and Fish Department.