William (Bill) Armstrong's photos with the keyword: prairie dog

A prairie dog (Richardson's Ground Squirrel) on the lookout in one of the prairie dog towns in the West Block of Grasslands National Park, in Saskatchewan.

Another view of a prairie dog watching for predators before heading out to gather food.

The very large and the very small. A prairie dog watches as a bison wanders through what is called a prairie dog town, in the West Block of Grasslands National Park, Saskatchewan. Taken in late evening, July 2017. Don’t use this image on websites, blogs or other media without explicit permission. Copyright William Armstrong. 2020

A watchful prairie dog in one of the colonies in Grasslands NP. Do not use this image on blogs, websites or other media without permission. © 2017 William Armstrong. All rights reserved.

A lookout in the prairie dog town in GNP, West Block. The lookout will warn nearby prairie dogs if it spots a predator. Do not use this image on blogs, websites or other media without permission. © 2017 William Armstrong. All rights reserved.