Oswaldo Valdez Graduates From UniSierra With Report on the Control of Invasive Catclaw
March 2, 2026Congrats to Oswaldo Valdez on graduating with a bachelor’s degree in biology from the Universidad de la Sierra, where he presented the results of his internship report on the efficacy…
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Daniel Moreno Graduates From UniSierra With Report on Precipitation at Rancho Nuevo
Congrats to Daniel Moreno on completing his internship report and bachelor’s degree in biology at the Universidad de la Sierra. During his internship with Sky Island Alliance, advised by Mónica…
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Natalia Ballesteros and Gema Sanez Graduate From UniSierra With Trail and Wildlife Reports
From Sky Island Alliance, we congratulate Natalia Ballesteros and Gema Sanez on completing their bachelor’s degree in biology at the Universidad de la Sierra in Moctezuma, Sonora. During their final…
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Giant Reed Removal Reveals a Hidden Ciénega
February 27, 2026This article first appeared in The Desert Leaf and is part of a series featuring the Sky Islands. Ornamental grasses from around the world can wreak havoc in the Sonoran…
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Spring Seeking in the Catalinas
February 26, 2026Join us for some wild and beautiful hikes on the east side of the Catalinas, near Redington Pass, as we survey springs by day and car camp at night.
Erosion Control in the Catalinas
February 24, 2026Join us in the Santa Catalina Mountains for a weekend building erosion-control structures in areas burned by the 2020 Bighorn Fire. Together, we can protect springs from landslides and ensure the mountain absorbs even more rain and snowmelt, recharging the aquifer that plants, wildlife, and people like us depend on. Note: Carpooling from Tucson is available, and day-trippers are most welcome. We’ll be camping at Whitetail Campground on Mt. Lemmon.
Barrel Spring Arundo Removal
February 20, 2026Join us for a morning at a historic Tucson spring, now in an urban setting, as we remove this invasive plant and restore a wildlife oasis.
Spring Restoration in Bear Canyon
Help us restore a wildlife oasis by removing invasive grasses and oleander along the Bear Canyon drainage around Rancho Fundoshi Spring. We’ll be working in the soil, bending, kneeling, and using hand tools, picks, and lots of elbow grease.
Coffee Break: A Floristic Tour of the Rincon Mountains
February 11, 2026Join us for our next virtual Coffee Break to learn more about the Rincon Mountains’ exceptionally rich and dynamic plant diversity. As with so many of our sky islands, the plants in the Rincons originate from distinct regional floras and overlap across wide elevation ranges and rugged terrain. Our speaker is SIA Botanist Dan Beckman, who just recently joined us after 12 years with Saguaro National Park.
Mexican Wolf Protections At Risk — Take Action
February 5, 2026New legislation targeting Mexican wolves is moving to the U.S. House for a full vote, and we need your help to speak up for this iconic Sky Island species. Last…
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