A timeline of wolves in Colorado: From extirpation to reintroduction

The timeline below documents the history of wolves in Colorado from extirpation in the 1940s to reintroduction by voter-approval in 2023.

CLICK ARROWS TO SCROLL THROUGH TIMELINE

SOURCES:

https://ballotpedia.org/Colorado_Proposition_114,Gray_Wolf_Reintroduction_Initiative(2020)#Supporters

https://cpw.state.co.us/learn/Pages/SOC-Wolves.aspx#:~:text=Once%20distributed%20statewide%2C%20the%20gray,the%20state%20in%20July%202019.

https://cpw.state.co.us/learn/Pages/Wolves-Stay-Informed.aspx

https://web.archive.org/web/20211221025213/https://cpw.state.co.us/Documents/Commission/policy_procedures/PWC_Resolution_Wolves_in_Colorado.pdf

https://extension.colostate.edu/topic-areas/people-predators/ecological-effects-of-wolves-8-005/

https://extension.colostate.edu/topic-areas/people-predators/wolves-big-game-and-hunting-8-001/

https://www.fws.gov/press-release/2023-09/usfws-releases-final-eis-draft-decision-designate-gray-wolf-experimental

https://idfg.idaho.gov/