Explore Tucson Outdoors

Karen Krebbs worked at the Arizona-Sonora Desert Museum for more than 26 years and has extensive knowledge of birds, mammals, plants, reptiles, insects, deserts, and animal adaptations and behavior. Her passion for hummingbirds has resulted in a book, book chapters, scientific papers, and also a husbandry manual for captive hummingbirds for the Association of Zoos and Aquariums. Her research on hummingbirds includes migration, nesting biology, behavior, song development, and longevity.Karen regularly advises zoological institutions and aviaries on the proper care and husbandry of captive hummingbirds. She has conducted educational workshops and seminars on Sonoran Desert animals and plants for various organizations, schools, yearly wildlife festivals, and local conservation groups. Karen has also studied bats for more than 30 years; she presents lectures, leads workshops, and trains government employees on the proper handling and protocol for studying bats. She has led and co-led natural history trips in Arizona, New Mexico, Texas, Mexico, Baja, Costa Rica, Ecuador, Galapagos, and Africa. Karen, an avid hiker, camper, photographer, and natural history traveler, has a B.Sc. degree in Wildlife & Fisheries Science from the University of Arizona. She has lived in Tucson, Arizona, for more than 50 years.

• Introduction Preparing for Walks & Hikes in Tucson Difficulty of Walks & Hikes Gardens, Museums, City Parks 1.Tucson Botanical Garden2.Tohono Chul Park3.Agua Caliente Park4.Arizona-Sonora Desert Museum5.Santa Cruz River Park Trail6.Rillito River Park Trail7.Sweetwater Wetlands8.Reid Park9.Tumamoc Hill Tucson Mountain Park 1.Brown Mountain Trail 2.Sarasota Trail 3.Hugh Norris Trail 4.David Yetman Trail 5.Sweetwater Trail Preserve Saguaro National Park (east) 1.Cactus Forest Trail 2.Garwood Dam Trail Saguaro National Park (west) 1.Hugh Norris Trail Santa Catalina Mountains 1.Romero Canyon Trail 2.Nature & Birding Loops (Catalina State Park) 3.Blackett’s Ridge Trail Suggested Reading Author Information Index