Desert Botany 101 — Saguaro National Park East. An easy walk through the cactus garden. 10-10:30 a.m. Oct. 24 and 25. 733-5153.

Desert Wildflowers

OUTDOORS

All events are free or included in admission or vehicle entrance fee unless otherwise noted. Parking may be additional. Bad weather may change or cancel activity. Children must be accompanied by an adult. No pets unless otherwise specified.

Hikes and walks

Guided Hike — Mt. Lemmon, MP 18 Catalina Highway. Lead by Sabino Canyon Volunteer Naturalist. A 4.5 mile hike at 7300 feet elevation. Meet at the McDonald's at Tanque Verde/Catalina Highway at 8 a.m. Shuttle back to upper trail head. No pets.  8 a.m.-1 p.m. Oct. 20. 429-4492.

Night Walk — Saguaro National Park East, 3693 S. Old Spanish Trail. Join a park naturalist to experience the desert at night. Reservations required. 7-9 p.m. Oct. 20. 733-5153.

Family Nature Walk — Sabino Canyon, 5700 N. Sabino Canyon Road. Easy trail nature walk lead by a Sabino Canyon Volunteer Naturalist. 8:30-10:30 a.m. Oct. 21. 603-2912.

History Walk — Presidio Santa Cruz de Terrenate, In Balance Ranch Road, Sierra Vista. A 3 mile walk with The Friends of the San Pedro River to learn what happened to make the Spanish abandon the fort in 1780. Suitable footwear. 9 a.m.-noon. Oct. 21. Donations accepted. 459-2555.

River Walk — San Pedro House, 9800 E. Highway 90, Sierra Vista. Find 82 species of mammals, dozens of reptiles and amphibians and nearly 350 species of birds. 9-11 a.m. Oct. 21. 459-2555.

Spiny, Shady, and Cool — Saguaro National Park West. A short walk to discover the variety of cacti. 11:15-11:45 a.m. Oct. 21 and 25; 10:15-10:45 a.m. Oct. 26. 733-5158.

The Plants Tell All — Saguaro National Park West. Join a park naturalist on a 1.5 walk to learn the secrets of what ties the plants and animals together. Suitable footwear. 9:45-11:45 a.m. Oct. 21. 733-5158.

Walking Tours — Tubac Presidio State Historic Park, One Burruel St. Connie Stevens will lead the guided tour. 9-10 a.m. and 1-2 p.m. Oct. 21. 398-2252.

Shinrin-yoku Forest Bathing Walks — Mt. Lemmon, Summerhaven, Turkey Run Trail, 12949 Sabino Canyon Park. Non-strenuous walks that includes tea ceremony and refreshments to lower blood pressure, improve immune system and gut function. 10 a.m.-1 p.m. Oct. 22. $30. 1-206-714-0544.

Desert Botany 101 — Saguaro National Park East. An easy walk through the cactus garden. 10-10:30 a.m. Oct. 24 and 25. 733-5153.

Who's Who — Saguaro National Park East. A walk through the cactus garden to learn names. 10-10:30 a.m. Oct. 26. 733-5153.

Is it A Cactus or A...sparagus — Saguaro National Park East. Come learn the difference between the two most famous families of desert plants on this short stroll in the cactus garden. 10-10:30 a.m. Oct. 27. 733-5153.

Birding

Bird Walks — Tumacácori National Historical Park, 1891 E. Frontage Road. A guided walk up to three hours or as long as the birds are active. Binoculars available. Suitable footwear. 8:30-10:30 a.m. Oct. 21. 377-5060.

Bird Walk — Environmental Operations Park, Hwy. 90 east of Sierra Vista. A two hour walk led by docents from Southeastern Arizona Bird Observatory and the Friends of the San Pedro River. Suitable footwear. 8-10 a.m. Oct. 22. Donations accepted. 459-2555.

Birding  — Gabe Zimmerman Davidson Canyon Trailhead at Cienega Creek Natural Preserve, 16000 E. Marsh Station Road, Vail. Join Jeff Babson on this guided walk to observe hawks, tanagers, warblers, sparrows, and others. Online registration required. 7:30-9:30 a.m. Oct. 24. 724-5375.

Morning Bird Walks — Sweetwater Wetlands, 2511 W. Sweetwater Drive. Join  an Audubon Society staff member on a two hour, 1 mile easy hike to see waterfowl, warblers, and other species hiding in the reeds. 7-9 a.m. Oct. 25. 209-1811.

Birding — Pima County Agua Caliente Park, 12325 E. Roger Road. Take a guided walk to see warblers, flycatchers, hummingbirds, orioles, and vireos. Online registration required. 8-9:30 a.m. Oct. 26. 724-5375.

Other

Kangaroo Rat: Super Survivor — Saguaro National Park West, 2700 N. Kinney Road. Learn how the rodents escape predators, evade heat, and endure aridity while searching for burrows, runways and tracks of this nocturnal animal. Suitable footwear. 3:15-4 p.m. Oct. 19 and 26. 733-5158.

Project Go Wild Workshop: Pond Exploration — International Wildlife Museum, 4800 W. Gates Pass Road. Pond scavenger hunt, make animal tracks and use magnifying glasses to see what creatures are found in pond water. 1-3 p.m. Oct. 19. $12. 629-0100.

Synergy in the Desert: The Sonoran Habitat — Saguaro National Park West. A walk and talk about the saguaro. 2:15-3 p.m. Oct. 19 and 26. 733-5158.

Project Go Wild Workshop: Desert Discovery — International Wildlife Museum. Scavenger hunt on desert trail, encounter live desert animals. 1-3 p.m. Oct. 20. $12. 629-0100.

A Night Under the Stars — Pima County Agua Caliente Park, 12325 E. Roger Road. Tucson Amateur Astronomy Association volunteers provide an introduction to the night sky. Telescopes for viewing. Bring a chair. 7-9 p.m. Oct. 21. 724-5375.

Historic Craft Demonstrations — Tumacácori National Historical Park, 1891 E. Frontage Road. May include, tortilla making, paper flower making, pottery, O’odham basket weaving, or other art forms. 10 a.m.-4 p.m. Oct. 21 and 22. 377-5060.

Cooking with Prickly Pear — Saguaro National Park West. Learn how to incorporate prickly pear into a diet. A live cooking demonstration will show how to prepare and cook prickly pear. 3:15-3:45 p.m. Oct. 22. 733-5158.

Petanque in the Park — Reid Park, 830 S. Country Club Road. Learn and play the French game of petanque. 2-4 p.m. Oct. 22. 664-4133.

What is the Reason for the Saguaro Fruit Harvest — Saguaro National Park West. Participate in a cultural experience and learn about this enriching tradition. 2:15-2:45 p.m. Oct. 24. 733-5158.

Bat Biology Workshop — Brandi Fenton Memorial Park Visitor Center, 3482 E. River Road. An in-depth look at these remarkable, but sometimes misunderstood, creatures. Online registration required. 6-9 p.m. Oct. 27. $15. 724-5375.