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Calendar

May
18
Image
A collection of images from the Sonoran Desert including cactus, birds, dragonfly and moon,
Signs of the Season Phenology Walk May
7 – 8 a.m., May 18, 2025
May
18
Image
Image of the flowing Santa Cruz River
Living River Ramble May
8:30 – 9:30 a.m., May 18, 2025
May
20
Image
List of Walk and Talks at Tucson's Birthplace
Walk & Talks at Tucson's Birthplace (late May)
5:30 – 7 p.m., May 20, 2025
Jun
01
Image
A collection of images from the Sonoran Desert including cactus, birds, dragonfly and moon,
Signs of the Season Phenology Walk Early June
7 – 8 a.m., June 1, 2025
Jun
03
Image
Bird flying over head with words El Rio Preserve
Birding at El Rio Preserve (June)
7 – 9 a.m., June 3, 2025
Jun
12
Image
Image of water with brown hills behind the water and the words Nature Trek at El Rio Preserve
El Rio Preserve Nature Trek (June)
8 – 9:30 a.m., June 12, 2025
Jun
15
Image
A collection of images from the Sonoran Desert including cactus, birds, dragonfly and moon,
Signs of the Season Phenology Walk (late June)
7 – 8 a.m., June 15, 2025
Jun
15
Image
Image of the flowing Santa Cruz River
Living River Ramble June
8:30 – 9:30 a.m., June 15, 2025
Jun
20
Image
List of Walk and Talks at Tucson's Birthplace
Walk & Talks at Tucson's Birthplace (June)
7 – 8:30 p.m., June 20, 2025
Jun
23
Image
Flyer with dragonfly and Dragons & Damsels sign up now
Dragons and Damsels of El Rio Preserve (June)
7 – 9 a.m., June 23, 2025

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