Colorado
Newborn rattlesnakes at a Colorado 'mega den' are making their live debut
CHEYENNE, Wyo. (AP) — A “mega den” of hundreds of rattlesnakes in Colorado is getting even bigger now that late summer is here and babies are being born.
Thanks to livestream video, scientists studying the den on a craggy hillside in Colorado are learning more about these enigmatic — and often misunderstood — reptiles. They’re observing as the youngsters, called pups, slither over and between adult females on lichen-encrusted rocks.
The public can watch too on the Project RattleCam website and help with important work including how to tell the snakes apart. Since researchers put their remote camera online in May, several snakes have become known in a chatroom and to scientists by names including “Woodstock,” “Thea” and “Agent 008.”
The project is a collaboration between California Polytechnic State University in San Luis Obispo, snake removal company Central Coast Snake Services and Dickinson College in Carlisle, Pennsylvania.
By involving the public, the scientists hope to dispel the idea that rattlesnakes are usually fierce and dangerous. In fact, experts say they rarely bite unless threatened or provoked and often are just the opposite.
Rattlesnakes are not only among the few reptiles that care for their young. They even care for the young of others. The adults protect and lend body heat to pups from birth until they enter hibernation in mid-autumn, said Max Roberts, a CalPoly graduate student researcher.
“We regularly see what we like to call ‘babysitting,’ pregnant females that we can visibly see have not given birth, yet are kind of guarding the newborn snakes,” Roberts said Wednesday.
As many as 2,000 rattlesnakes spend the winter at the location on private land, which the researchers are keeping secret to discourage trespassers. Once the weather warms, only pregnant females remain while the others disperse to nearby territory.
This year, the scientists keeping watch over the Colorado site have observed the rattlesnakes coil up and catch water to drink from the cups formed by their bodies. They’ve also seen how the snakes react to birds swooping in to try to grab a scaly meal.
The highlight of summer is in late August and early September when the rattlesnakes give birth over a roughly two-week period.
“As soon as they’re born, they know how to move into the sun or into the shade to regulate their body temperature,” Roberts said.
There are 36 species of rattlesnakes, most of which inhabit the U.S. They range across nearly all states and are especially common in the Southwest. These being studied are prairie rattlesnakes, which can be found in much of the central and western U.S. and into Canada and Mexico.
Like other pit viper species but unlike most snakes, rattlesnakes don’t lay eggs. Instead, they give birth to live young. Eight is an average-size brood, with the number depending on the snake’s size, according to Roberts.
Roberts is studying how temperature changes and ultraviolet sunlight affect snake behavior. Another graduate student, Owen Bachhuber, is studying the family and social relationships between rattlesnakes.
The researchers watch the live feed all day. Beyond that, they’re getting help from as many as 500 people at a time who tune in online.
“We are interested in studying the natural behavior of rattlesnakes, free from human disturbance. What do rattlesnakes actually do when we’re not there?” Roberts said.
Now that the Rocky Mountain summer is cooling, some males have been returning. By November, the camera running on solar and battery power will be turned off until next spring, when the snakes will re-emerge from their “mega den.”
Colorado
Colorado weather: Severe thunderstorm watch active for Eastern Plains
Severe thunderstorms may bring tornadoes, hail the size of tennis balls and winds up to 70 mph to Colorado’s Eastern Plains on Saturday afternoon, National Weather Service forecasters said.
A severe thunderstorm watch is active for Logan, Morgan, Phillips, Sedgwick, Washington, Weld and Yuma counties until 9 p.m., forecasters said in an alert.
A severe thunderstorm watch has been issued for parts of Colorado, Nebraska, South Dakota and Wyoming until 9 PM MDT pic.twitter.com/XNece63Mjw
— NWS Boulder (@NWSBoulder) May 30, 2026
Communities could see vehicle damage from hail and damage to roofs, siding and trees from wind, forecasters said.
This is a developing story and may be updated.
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Colorado
Attorney General Phil Weiser’s underdog campaign for Colorado governor
Colorado
Congress looks to help fund new control tower at growing Northern Colorado airport
As Weld County and Northern Colorado continue to grow, leaders at the Greeley-Weld County Airport are preparing for an expansion they say will position the facility as a major transportation and economic hub for the region.
Airport director Cooper Anderson said the airport has reached a point where additional growth on its current footprint is no longer possible.
“We have reached our capacity, here, as far as growth on the south side of the airport,” Anderson said.
The airport is now developing land northeast of its existing facilities to accommodate larger aircraft and future aviation services.
“We needed to find a new area to expand and allow larger corporate jets, and eventual charters and commercial service down the road,” Anderson said.
Construction is already underway or completed on several infrastructure projects, including expanded taxiways and sites for future hangars. Anderson said the area being developed was farmland just a few years ago.
“It used to be corn fields, but since then we have ran water, sewage and gas is coming next week,” Anderson said.
The expansion effort has been supported by a combination of local and federal funding. Anderson noted that approximately $850,000 in federal funding was previously secured to develop a master design and long-term vision for the airport, with local money helping execute the plan. Additional federal tax dollars in recent years also helped fund taxiway expansion projects that have prepared the airport for future growth.
Now, Colorado leaders in congress are seeking millions more in federal funding to continue that momentum.
Rep. Gabe Evans, who represents Colorado’s 8th Congressional District, said the airport plays an important role in one of the nation’s busiest aviation corridors.
“The northern Front Range of Colorado is one of the densest airspace systems in the nation,” Evans said.
Before entering Congress, Evans served as a Black Hawk helicopter pilot out of Buckley Air Force Base and frequently flew throughout Northern Colorado. He said improvements at the Greeley airport would have benefits extending well beyond Weld County, noting other airports are overcrowded to the point of causing some nearby residents to complain of sound.
“It really does impact the entire Front Range,” Evans said.
Evans is working to secure additional federal funding that would help construct and staff an air traffic control tower in Greeley while supporting continued infrastructure improvements.
“When those bills are passed and sent to the president’s desk, writtten into those bills as a line item is several more million dollars to continue to expand the infrastructure at the Greeley airport,” Evans said. “So you can actually start to bring business flights into the Greeley airport and pull a lot of that traffic off of some of the overburdened airports in the metro area.”
Anderson said federal support demonstrates broad confidence in the airport’s future as a hub for business and travel.
“Having the addition of Congressman Evans’ office, and their congressional funding, I think shows how much everybody believes in this,” Anderson said.
That confidence is already attracting attention from the private sector, Anderson said, with major companies expressing interest in locating operations at the airport.
“Greeley’s population is booming. Weld County’s population in general is growing,” Anderson said.
Airport leaders view the expansion as a way to support economic development across the region.
“By us growing, and expanding our services, we are also helping the city of Greeley, Weld County and surrounding Northern Colorado communities and being able to grow economic opportunities for them,” Anderson said.
As the airport prepares for future growth, officials have also upgraded emergency response capabilities. The airport recently acquired two fire trucks that will improve its ability to respond to incidents involving larger aircraft. The vehicles also allow firefighters to use newer, non-toxic firefighting foam, replacing older products that posed environmental concerns.
Airport officials say those improvements will help ensure the facility can safely accommodate larger aircraft and increased traffic in the years ahead.
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