San Pedro River

Celebrate the San Pedro

April 8, 2025

Join us and other local conservation groups for this celebration of the San Pedro River. Activities include a bird count challenge, nature hikes, kids activities, informational displays, and 11 different speakers, including SIA Mexico Program Manager Zach Palma, who will speak at noon.

Border BioBlitz

Border BioBlitz in the San Rafael Valley

April 3, 2025

Calling birders, botanists, bug lovers, trackers, herpers, fungi folk, and naturalists of all sorts! Join us this May 3 in the San Rafael Valley of Arizona for a day of surveying as part of this year’s annual border bioblitz. Using the iNaturalist app, our goal will be to identify as many species as possible to document the amazing diversity of life in our borderlands.

Border BioBlitz

Border BioBlitz in Sonora

April 2, 2025

Calling birders, botanists, bug lovers, trackers, herpers, fungi folk, and naturalists of all sorts! Join us this May 24-25 at Cuenca Los Ojos ranch near Agua Prieta, Sonora, for a weekend of camping and surveying as part of this year’s annual border bioblitz. Using the iNaturalist app, our goal will be to identify as many species as possible to document the amazing diversity of life in our borderlands. Campers are welcome to arrive at Cuenca Los Ojos ranch on Friday, May 23. Then on Saturday we’ll be surveying in the Animas Valley within the ranch. And on Sunday we’ll head to another part of the ranch in the San Bernardino Valley.

Western bluebird

Update on Our Migratory Bird Monitoring in Sonora

April 1, 2025

In this virtual Coffee Break, SIA Wildlife Program Manager Eamon Harrity and Mexico Program Manager Zach Palma share latest news with our new project bridging grassland bird conservation and regenerative…
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Western bluebird

Coffee Break: Update on Our Migratory Bird Monitoring in Sonora

March 19, 2025

Join us April 1 at 9:30 a.m. for our next virtual Coffee Break to learn more about our exciting new project bridging grassland bird conservation and regenerative ranching in Sonora. Our speakers will be SIA’s very own Wildlife Program Manager Eamon Harrity and Mexico Program Manager Zach Palma.

Bill Thornton

Volunteer Spotlight: Bill Thornton

January 15, 2025

Please introduce yourself! Where are you from, and what do you do? My name is William C. (Bill) Thornton. I’m a second-generation Arizona native, lifelong outdoor enthusiast, and conservationist. I’m a retired…
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Mexican wolf

Mexican Wolves: A Survival Story

January 13, 2025

Guest Blog by Phil Hedrick Conservation of the Mexican wolf, a unique subspecies of gray wolf, has been a qualified success, with real progress made in the United States and…
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Tucson spring cleaning

A Look Ahead at 2025

January 7, 2025

We’re entering 2025 with our biggest portfolio of projects in recent years! We’ll be out in the Sky Islands working with you — our amazing volunteers and supporters — to…
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Javelinas

Best of 2024: SIA Wildlife Camera Photos

December 19, 2024

Every year we review hundreds of thousands of photos as part of our Border Wildlife Study, and in addition to the invaluable data we receive about the presence/absence of species…
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Black bear at border wall

Creating Passage for Wildlife Across the U.S.-Mexico Border

December 9, 2024

In this guest blog for the Arizona-Sonora Desert Museum, SIA Program Director Emily Burns shares details on our newly published analysis of animal crossing rates through different types of border…
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