Surviving Todagin: Introduction

By Paul Colangelo, International League of Conservation Photographers

Among the mountainous folds of remote northwestern British Columbia lies Todagin Mountain, a grassy plateau 15 miles long and five miles wide that is thought to have the highest density of Stone’s sheep in the world. The herd lives year-round on the plateau and slopes of Todagin, which has been the sheep’s habitat since the local Tahltan people can remember.

A close relative of Dall’s sheep to the north, Stone’s sheep is a thinhorn mountain sheep that occurs only in northern British Columbia and Yukon. The Todagin herd in particular is an important population to the Tahltan First Nation and bow hunters, who travel from around the world and pay upwards of $35,000 to hunt a ram.

Stone's sheep, Ovis dalli stonei, on Todagin Mountain. Photo by Paul Colangelo.


Recognizing the value of the herd, the BC government protected its winter range via the creation of the Todagin South Slope Provincial Park in 2001. Nine years later, however, it has issued resource exploration permits for nearly the entire plateau, encompassing the herd’s spring, summer and fall ranges. If this tenure is mined, the herd could lose the majority of its habitat and be forced off the only home it has known.

Summer snow on Todagin. Photo by Paul Colangelo.


I teamed up with the Chief Scientist at Global Wildlife Conservation, Dr. Wes Sechrest, to launch a project that addresses the gaps in knowledge regarding the herd’s habitat use patterns and a lack of public awareness of the herd and the land-use plans for Todagin.

Over 2011 and 2012, I’ve camped on Todagin with the herd for five months to tell the story of the herd and document its habitat use, using specialized camera equipment to record the movements of the sheep across the plateau. This information will be plotted onto a map along with the mining activity and tenures — a map that should make obvious, at a single glance, the land-use conflict threatening the Stone’s sheep.

Here I'm setting up camera traps on the cliff trails that the Stone's sheep use to escape predators, such as wolves and grizzlies. Photo courtesy Paul Colangelo.

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All Todagin Posts

Andrew Howley is a longtime contributor to the National Geographic blog, with a particular focus on archaeology and paleoanthropology generally, and ancient rock art in particular. In 2018 he became Communications Director at Adventure Scientists, founded by Nat Geo Explorer Gregg Treinish. Over 11 years at the National Geographic Society, Andrew worked in various ways to share the stories of NG explorers and grantees online. He also produced the Home Page of nationalgeographic.com for several years, and helped manage the Society's Facebook page during its breakout year of 2010. He studied Anthropology with a focus on Archaeology from the College of William & Mary in Virginia. He has covered expeditions with NG Explorers-in-Residence Mike Fay, Enric Sala, and Lee Berger. His personal interests include painting, running, and reading about history. You can follow him on Twitter @anderhowl and on Instagram @andrewjhowley.
  • Mac McMillen

    You’re doing good work…keep it up!

  • Alexander paxman

    id like to thank you!!

  • binyam gebremichael

    i enjoy and get knowledge i specially like the phottoes!

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