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Bird flying over head with words El Rio Preserve

Birding at El Rio Preserve (December)

8 – 10 a.m., Dec. 2, 2025

A mountain in the background with the dates and times for upcoming walk and talks

Walk and Talk at Tucson's Birthplace | Paseo En La Orilla Del Rio Santa Cruz

5 – 6:30 p.m., Dec. 4, 2025

A collection of images from the Sonoran Desert including cactus, birds, dragonfly and moon,

Signs of the Season Phenology Walk Early December

8 – 9 a.m., Dec. 7, 2025

Details about Landing Place art making with small fish

Landing Place: Art Making in Community (December)

11 a.m. – 1 p.m., Dec. 7, 2025

Image of water with brown hills behind the water and the words Nature Trek at El Rio Preserve

El Rio Preserve Nature Trek (December)

9 – 10:30 a.m., Dec. 11, 2025

Reconciliation Ecology Workshop poster

Reconciliation Ecology Workshop: Trees | Taller de Ecologia: Arboles

3:30 – 5:30 p.m., Dec. 13, 2025

A collection of images from the Sonoran Desert including cactus, birds, dragonfly and moon,

Signs of the Season Phenology Walk Late December

8 – 9 a.m., Dec. 21, 2025

Image of the flowing Santa Cruz River

Living River Ramble December

9:30 – 10:30 a.m., Dec. 21, 2025

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We respectfully acknowledge the University of Arizona is on the land and territories of Indigenous peoples. Today, Arizona is home to 22 federally recognized tribes, with Tucson being home to the O’odham and the Yaqui. The university strives to build sustainable relationships with sovereign Native Nations and Indigenous communities through education offerings, partnerships, and community service.

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