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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Aravaipa volunteers

Aravaipa Canyon Vinca Removal

April 17, 2026

Come join us for a Memorial Day weekend in Aravaipa Canyon Preserve as we resume the fight against invasive vinca!

San Pedro River

Celebrate the San Pedro

The Friends of the San Pedro River spring festival explores the cultural and natural history of the beloved Upper San Pedro River Valley. The event is free and will feature activities for adults and kids, a series of talks, and informational displays.

The event this year will emphasize history — you will be able to throw an atlatl, make an adobe brick, learn about the Clovis mammoth hunters and other native cultures, find out about the Amerind Foundation, and much more. SIA’s Ranchos Regenerativos tech Karen Aglaee Lopez Roman will also be there tabling, so stop by and say hello.

Bear Canyon

Spring Restoration in Bear Canyon

April 9, 2026

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.

Border BioBlitz

Binational Border BioBlitz

April 2, 2026

Calling birders, botanists, bug lovers, trackers, herpers, fungi folk, and naturalists of all sorts! Join SIA and partners for a special binational event, starting at San Bernardino National Wildlife Refuge in Arizona. Groups will be surveying on both sides and will eventually meet at the wall. If you’d like to join from Sonora instead, see the event on April 23-26.

Border BioBlitz

Binational Border BioBlitz

Calling birders, botanists, bug lovers, trackers, herpers, fungi folk, and naturalists of all sorts! Join SIA and partners for a special binational event, starting at Cuenca Los Ojos ranch in Sonora. Groups will be surveying on both sides and will eventually meet at the wall. If you’d like to join from Arizona instead, see the event on April 25.

Rincon Mountains

A Floristic Tour of the Rincon Mountains

March 24, 2026

In this virtual Coffee Break, SIA Botanist Dan Beckman, who just joined us after 12 years with Saguaro National Park, presents on the Rincon Mountains’ exceptionally rich and dynamic plant…
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Barrel Spring

Barrel Spring Arundo Removal

February 20, 2026

Join 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.

Bear Canyon

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.

Rincons flora

Coffee Break: A Floristic Tour of the Rincon Mountains

February 11, 2026

Join 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.