Help Survey Springs Along the San Pedro

May 27, 2026

This June, in partnership with The Nature Conservancy, Sky Island Alliance is supporting a Spring Seeker campaign along the San Pedro River, and we’re in need of self-motivated volunteers to…
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Video: Wildlife and the Wall in the Arizona-Sonora Borderlands

May 19, 2026

Border wall construction in southern Arizona’s wild and scenic San Rafael Valley continues, with 12 of 27 miles completed and new wall going up each day. As you can see…
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Trail Building and Discoveries in Sierra San José

May 5, 2026

During our recent trail-building days in the Sierra San José, in Ejido Naco, Sonora, we’ve made significant progress thanks to the collaborative efforts of volunteers and the local community. Over…
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My First Border BioBlitz

May 4, 2026

My name is Ximena, and I’m an eighth-semester student of Environmental Sciences Engineering at the University of Sonora in Hermosillo. I’m going to share my experiences at my first Border…
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Coyotes at spring

Springs: A Vital Network for Wildlife

April 29, 2026

The Sky Islands region is made up of high-altitude mountains that appear as “islands” separated by grasslands and deserts. These mountains are well known and beloved for their biodiversity and…
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Queen of the night

A Bloom to Watch for This Summer

April 28, 2026

This article first appeared in The Desert Leaf and is part of a series featuring the Sky Islands. For years, my usual neighborhood walk along a dirt road lined with…
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Ocelot

Endangered Ocelot Traverses 4 Sky Islands, Setting Record and Inspiring Conservation Efforts

April 20, 2026

This March, Sky Island Alliance and Phoenix Zoo published a study describing the remarkable journey of a male ocelot across four mountain ranges in the Sky Islands of Arizona, the…
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2017 Lizard Fire in Dragoons

Protect Our Public Lands and U.S. Forest Service Integrity

April 17, 2026

On March 31, the Trump administration announced the closure of all U.S. Forest Service regional offices, the gutting of 57 research stations, and the relocation of headquarters from Washington, D.C.,…
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Brittlebush

Our Work Ahead After a Record-Breaking Winter and Spring

March 31, 2026

Across the Sky Islands, the past six months have been a strange brew of climate disruption. Plants that typically flower during monsoon bloomed in November, and we had a record-breaking winter that felt…
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A Weekend in the Mountains, Learning With SIA

March 26, 2026

I’m Dariana Laurean Valdez, a student of Environmental Sciences Engineering at the Universidad de Sonora. During the weekend of March 13–15, we went up to the mountains of Moctezuma to…
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