Richardson's Ground Squirrels found dead on surface in a study

Poisoning Ground Squirrels With Strychnine Should Be Outlawed Immediately - Animal Justice

Habitat Trends of the World's Squirrels and Their Interactions with the Modern World: Relevance for a New Digital Model-Based Conservation Management

Arctic ground squirrels of the mammoth-steppe: paleoecology of Late Pleistocene middens (∼24 000–29 450 14C yr BP), Yukon Territory, Canada - ScienceDirect

Richardson's Ground Squirrel (Mammals of Montana, USA) · iNaturalist

Dead ground squirrels found at 'gopher hill' sparks city probe

Richardson's Ground Squirrel - Discover Lewis & Clark

Richardson's Ground Squirrel - Montana Field Guide

Squirrels solvepest

Franklin's ground squirrel - Wikipedia

The Lifespan of a Squirrel