Wolf mom and pups

Betty4240

Wild Without End

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Hear From Our Experts

Defenders in Action

Wild Features

Biodiversity Law Center

wolves

NPS

June 19, 2025

Michael Saul

The Song of the Wolf

Young critically endangered Mexican Grey Wolf lying on rocks looking forward at camera.

Field Notes: Mexican Gray Wolf Technician Field Notes from Winter 2024

Chris Huber/USGS

Field Notes: Mexican Gray Wolf Technician Field Notes From Fall 2024

yellowstone

Recognizing the 30th Anniversary of Wolves Return to Yellowstone

Gray Wolf Stare

De-Horrifying Wolves

A Mexican gray wolf stalks through a wooded area. The ground is muddy and the trees are brown and bare.

Field Notes: Mexican Gray Wolf Recovery Program – Winter 2024 to Spring 2024

MGW pup

Field notes: Mexican Gray Wolf Recovery Program Fall 2023 – Winter 2024

Grizzly Bear Family at the River - Gibbon River - Yellowstone National Park - Wyoming - Sam Parks

Happy 50th Anniversary to the Endangered Species Act!

2020.08.29 - Red Wolf Smiling - Robert Wilcox

Local View: Forget everything you've heard about the 'big bad wolf'