By: Victoria Ortiz

​Only four places on Earth still contain vast, unplowed native grasslands: Siberia, Mongolia, Patagonia and the northern Great Plains of the United States. Over the last few years Adventure Scientists has partnered with the American Prairie Reserve on the Landmark project, in which multi-national volunteer crews live on the reserve year round to collect key wildlife data, build a global constituency for this special ecosystem, and record the human experience of living on the prairie. American Prairie Reserve uses the data to manage and protect this wild landscape and advance their goal of creating the largest protected wildlife area in the continental United States.

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The Northern Great Plains of the United States are one of the few remaining vast, unplowed grasslands in the world. Photo by Mike Quist Kautz

On December 18, Colleen Ferris hopped out of the truck to shut the prairie gate behind her. It’s an action she’s done hundreds of time, initially as a Landmark crewmember in its first season in February 2014, and later as the Landmark Program Manager. This time, however, marked the end of the last Landmark field season. Thousands of acres of rolling grasses turned white with frost blurred behind frozen eyelashes. 

PictureColleen Ferris dressed for negative degree windchill on the first day of Landmark as a crew member in February, 2014

“When I first started as a volunteer crewmember, everything was new and we were testing what was possible. Can a crew of volunteers from all around the world survive a field season in sub-zero temperatures, in an extremely remote environment?” said Colleen. “I was fresh off the plane from 27 months in the Dominican Republic as a Peace Corps volunteer, so I thought I would freeze to death.”

Over the last few years Landmark has collected baseline data to help the American Prairie Reserve measure success as its acreage grows over time. “Baseline data in any sector is important because you need to know where you started from in order to be able to measure change,” says Colleen. 

The crews lived on the reserve year-round, checking camera traps and recording wildlife sightings along their designated transects, hiking over 10 miles a day in the subzero weather of January to the heat of July and August. 


“I was so excited to be on the ground and see these species I had never spent time around, particularly Pronghorn, which I didn’t even know existed,” said Colleen. “Pronghorn are the fastest land mammal in North America, and when you probe into their history you learn that they evolved to run away from cheetahs. While we don’t have cheetahs anymore, it’s pretty spectacular to see a herd sprint through open grassland and continue to thrive out there.”

Like the Pronghorn, that first crew also thrived on the prairie. Since then over 80 volunteers from around the world including Sweden, France, Australia, South Africa, Russia, and Canada (“We’ve always had a Canadian on the crew – they’re so darn nice”) .

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The final winter crew poses in negative 30-degree weather for a post card picture on the last day. L-R: Sandy Van Dijk, Saul Carrillo, Colleen Ferris, Ryn Davison, Eli Allan. Photo by Eli Allan

“You can’t protect something if you don’t care about it, and you can’t care about it if you’re not exposed to it. We now have people from across the globe who intimately know this area,” said Colleen. 

“It’s important to have people with boots on the ground who have talked with the locals and studied the wildlife so that they can be advocates for conserving extraordinary places like this. Working on Landmark as a crewmember, and then later as a project manager has opened my eyes to how human perceptions can shape and determine the level of success a project achieves in conservation.”

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Colleen will spend the next few months compiling the data and writing reports to wrap up this project and successful collaboration. 

“Spending the past three years on Landmark has cemented the importance of open spaces,” she says. “Every time I go out there and see the sunrise or gaze into the horizon with its endless miles of grass, it cleanses my brain from the toxicity of everyday life. When you fall in love with a place like that, it just refills your cup and keeps you going.”


Find out more about our Landmark Project and other Adventure Scientists projects by visiting our website, the Landmark Notes blog and by following us on FacebookTwitter and Instagram.