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Maricopa County Parks and Recreation: White Tank – Invasive Species Removal

White Tank Mountain Regional Park 20304 W. White Tank Mountain Rd., Waddell

Invasive species are among the biggest threats to our park’s ecosystem health. They outcompete native plants, decrease biodiversity, and increase wildfire occurrences and magnitude. Desert Defenders is a citizen science...

Free with Park Fee

Maricopa County Parks and Recreation: Usery – Invasive Species Removal

Usery Mountain Regional Park 3939 N. Usery Pass Rd., Mesa

Invasive species are among the biggest threats to our park’s ecosystem health. They outcompete native plants, decrease biodiversity, and increase wildfire occurrences and magnitude. Desert Defenders is a citizen science...

Chandler Public Library: Downtown Scavenger Hunt – Earth Day

Chandler Public Library - Downtown Campus 22 S. Delaware St., Chandler

Stop by all month long at the Downtown Branch and test your detective skills with our scavenger hunt for a chance to earn a prize! This month's Earth Day theme runs through April 30th. Explore every nook of your library to complete the hunt, and along the way, discover something new your library has to offer! The hidden...

Free

Arizona – Sonora Desert Museum: Biodiversity Party

Arizona - Sonora Desert Museum 2021 N. Kinney Rd., Tucson

Gather your friends, family, and fellow nature nerds for a day of searching, scouting and documenting the Wild species at the Desert Museum! We will Party in a day — what surprise...

Free with Admission

Mission Garden: Mission Garden Mural Unveiling

Mission Garden 946 W. Mission Ln., Tucson

Join us for the unveiling of two new murals at Mission Garden, designed by local teens and artists. Hear from muralists who worked with the Boys & Girls Clubs of Tucson Pascua Yaqui Clubhouse. Learn about the construction of the wall from recycled materials created by By Fusion. Light refreshments provided. About the Murals: As...

Free

Liberty Wildlife: Public Open Hours

Liberty Wildlife 2600 E. Elwood St., Phoenix

Join us to walk around Liberty Wildlife during our public open hours and see us fulfilling our mission! October through April we are open to the public from 10am until...

Free – $10

Maricopa County Parks and Recreation: Discovery Station – Be a Citizen Scientist!

Lake Pleasant Regional Park 41835 N. Castle Hot Springs Rd., Morristown

Stop by an information table where Ranger Nikki will teach you how to use your phone to identify and document your nature findings to help the scientific community.  Ranger Nikki will host a drop-in information table to get you on your way to becoming a Citizen Scientist using the free iNaturalist app* that identifies and...

Free with Park Fee

Southeastern Arizona Bird Observatory: Hummingbird Banding at the San Pedro House

San Pedro House 9800 Highway 90, Sierra Vista

Up to 10 species of hummingbirds use the green corridor of the San Pedro River as a freeway between their tropical winter retreats and their northern nesting grounds. The public is invited to get a close-up look at these tiny travelers as staff and volunteers from the Southeastern Arizona Bird Observatory capture, band, weigh, measure,...

Free