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Tucson Bird Alliance: Sweetwater Wetlands Field Trip

Sweetwater Wetlands 2511 W. Sweetwater Dr., Tucson

This popular birding hotspot in urban Tucson offers an easy walk through marshes created by Tucson Water to see waterfowl, regular and visiting warblers, and several exciting species hiding in the reeds. Birders of all experience levels welcome! The Wetlands are located at 2511 W Sweetwater Drive. Limited to 12 participants per group. Leader: Donito...

Free – $5

Tucson Bird Alliance: Sweetwater Wetlands Field Trip

Sweetwater Wetlands 2511 W. Sweetwater Dr., Tucson

This popular birding hotspot in urban Tucson offers an easy walk through marshes created by Tucson Water to see waterfowl, regular and visiting warblers, and several exciting species hiding in the reeds. Birders of all experience levels welcome! The Wetlands are located at 2511 W Sweetwater Drive. Limited to 12 participants per group. Leader: Luke...

Free – $5

Tucson Bird Alliance: Sweetwater Wetlands Field Trip

Sweetwater Wetlands 2511 W. Sweetwater Dr., Tucson

This popular birding hotspot in urban Tucson offers an easy walk through marshes created by Tucson Water to see waterfowl, regular and visiting warblers, and several exciting species hiding in the reeds. Birders of all experience levels welcome! The Wetlands are located at 2511 W Sweetwater Drive. Limited to 12 participants per group. Leader: Alex...

Free – $5

Maricopa County Parks and Recreation: Desert 101 Hike

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

Join Ranger Derik on a slow-paced walk along the lake and learn about the many animals and plants that call the park home.   The hike is rated as easy and will cover 1.7 miles along the Roadrunner trail and only gain 147ft of elevation. Please note that while this walk is short the trail is...

Free with Park Fee

Arizona State Parks & Trails: Guided Bird Walks at Catalina

Catalina State Park 11570 N. Oracle Rd., Tucson

Located in the Tucson Sky Islands Important Bird Area, Catalina State Park is home to 150+ species of birds. Experienced birding guides will help you spot and identify beautiful birds as you walk through the park for 3-4 hours. Bring binoculars and a birding field guide to enhance your experience! Guides are sold in the gift...

Free with Park Fee

Greater Phoenix City Nature Challenge 2026: Acts of Science – Connected − Earth Day Animal Spot-A-Thon

Online

Help NASA-supported researchers study wildlife conservation from wherever you are. All you need is curiosity. Featured Project: Snapshot Wisconsin During this virtual event, you’ll explore trail camera photos and classify the animals you see to help track changes in wildlife that informs wildlife management and conservation decisions. Hear from the project scientists, ask questions, and discover...

Free

Arizona State Parks & Trails: Guided Bird Walks at Red Rock

Red Rock State Park 4050 Red Rock Loop Rd., Sedona

Bird enthusiasts join a naturalist for a guided walk appropriate for beginner and advanced birders. Most year-round birds are found in the riparian area next to Oak Creek or along the field behind the Visitor Center. The Audubon Society has designated Red Rock State Park as part of the Lower Oak Creek Important Birding Area...

Free with Park Fee

Reid Park Zoo: Sean Kenney’s Nature Pop!

Reid Park Zoo 3400 Zoo Court, Tucson

Part art. Part engineering. Totally amazing! Add a pop of wonder and a pinch of nostalgia to your spring with Sean Kenney’s Nature Pop! Marvel at over 40 wildly creative sculptures made entirely of LEGO® bricks at this exhibition, included with Zoo admission and free for Zoo members from 9 a.m. to 4 p.m. daily....

Free with Admission

Tucson Bird Alliance: Special Edition – Tohono Chul Garden Walk

Tohono Chul 7366 N. Paseo Del Norte, Tucson

Join Tucson Bird Alliance for a garden bird walk at Tohono Chul! This popular destination near the intersection of Ina and Oracle Roads has cultivated gardens, art exhibits, and winding trails with many typical birds of the Sonoran Desert and its suburban habitats. Hummingbirds, in particular, flock to the gardens to enjoy the abundance of...

Free

Arizona State Parks and Trails: Daily Guided Nature Hikes at Red Rock

Red Rock State Park 4050 Red Rock Loop Rd., Sedona

Every morning, a volunteer naturalist leads a guided nature walk informing visitors about the different life zones of Red Rock State Park. The subjects discussed on this walk may include geology, wildlife, history, archeology, and plant life. The naturalists welcome questions during the walk, enhancing the learning experience. Hikes are included with park entrance fees...

Free with Park Fee

Maricopa County Parks and Recreation: City Nature Challenge Practice Hike

Estrella Mountain Regional Park 14805 W. Vineyard Ave., Goodyear

Learn about the April 24-27 City Nature Challenge and free smartphone apps that can help you identify plants, animals, and more, while helping contribute to science!   Join Ranger Eric on a short, easy walk between the Nature Center and the Quail Trailhead while we learn about the free iNaturalist app you can use to identify...

Free with Park Fee

Maricopa County Parks and Recreation: Lunch and Learn – Bat Basics

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

Join Ranger Kevin for a lunchtime look at one of the most amazing mammals on Earth – bats!   Today is Earth Day, and we are celebrating by putting the spotlight on bats, one of the most successful, and most misunderstood, members of the animal kingdom. Did you know that Arizona is home to 29 species...

Free with Park Fee

Maricopa County Library District: Coral Reef Biomes

MCLDAZ - Litchfield Park Library 101 W. Wigwam Blvd., Litchfield Park

Celebrate Earth Day by learning about one of the world's most interesting ecosystems! We will discover the different ocean animals and plants living in coral reefs and use our knowledge to build coral reef dioramas using clay and more. This program is for tweens ages 8-12. Registration required.

Free

Mesa Public Library: Citizen Science – Earth Day Animal Spot-a-thon

Mesa Public Library - Red Mountain Branch 635 N. Power Rd., Mesa

Help scientists identify as many animals as possible in camera trap images. This event is a part of "Acts of Science: Connected," which will bring us all together in April to celebrate participation in real research for Citizen Science Month! SciStarter is aiming toward a shared goal of 2.5 million acts of science by the...

Free

Mesa Public Library: Earth Day Animal Spot-A-Thon

Mesa Public Library - Gateway Branch 5036 S. Eastmark Pkwy., Mesa

Celebrate Earth Day by helping scientists monitor wildlife! In this hands-on event, you’ll explore trail camera photos and help classify the animals you see. Your contributions support a NASA-supported research project that tracks changes in wildlife distributions and abundances over time—critical data that informs wildlife management and conservation decisions. This Citizen Science event is a...

Free

Mesa Public Library: Walk-in Wednesday presents – Earth Day Animal Spot-A-Thon

Mesa Public Library - Main Branch 64 E. First St., Mesa

This is a live, interactive Acts of Science connected event delivered by scientists and SciStarter educators. Featured Project Participants will identify animals in camera-trap images from real wildlife research projects. These observations help scientists monitor biodiversity and support conservation research worldwide. Participants will contribute to real research in real time, guided throughout the session, and...

Free

Mesa Public Library: Mason Jar Beehives for Earth Day

Brady Park 7045 E. Monterey Ave., Mesa

Celebrate Earth Day with a creative, hands-on activity! Kids will make their own Mason Jar Beehives while learning why bees are so important to our planet. This craft introduces young learners to pollinators, plants, and simple ways they can help protect the environment. Participants will take home their beehive creation along with ideas for supporting...

Free

Maricopa County Library District: Fearless Kitty Rescue

MCLDAZ - Fountain Hills Branch 12901 N. La Montana Dr., Fountain Hills

Learn of the great work performed by Fearless Kitty Rescue in our community. Support their efforts by making upcycled cat toys.

Free

Verde Valley Birding and Nature Festival: Pre-Event talk with Jennie MacFarland & Tice Supplee celebrating IBA’s

Yavapai County Free Library District - Cottonwood Public Library 100 6th St., Cottonwood

The Verde Valley has breathtaking natural beauty and is home to hundreds of bird species. Arizona is part of an international program recognizing places that are special to birds and the Verde Valley has four such places!  This event is a fun celebration of the Verde Valley’s bird habitat that will feature photos and information about...

Free