A free Nature Expo is open to the public Friday through Sunday.
Hundreds of trees, shrubs have been planted at the Atturbury-Lyman haven.
Program would trap, sterilize, vaccinate and rerelease the problem critters.
Majestic Madera Canyon — nationally known for its diverse array of winged wildlife ranging from hawks to hummingbirds — will be the site of an International Migratory Bird Day celebration on Saturday.
A residence in Patagonia — where bird-watchers have come for decades to spot species such as the sought-after violet-crowned hummingbird in the backyard — will be sold by the owners and managed by the Tucson Audubon Society.
A wayward seabird with a quirky name — the blue-footed booby — has flown far from its domain along the Gulf of California and settled for the past couple of weeks at Patagonia Lake, northeast of Nogales.
A snowy egret skims the waters at The Lakes at Castle Rock on Tucson's east side. Castle Rock is one of many artificial-lake areas of Tucson that have drawn well over 100 bird species, according to the website eBird.
Deb Vath, left; Linda Greene, in white hat; Sharon Arkin and David Lindo spy various birds at the Sweetwater Wetlands.
An American wigeon, one of dozens of ducks taking advantage of the water, splashes down at The Lakes at Castle Rock.
On a sunny, cool morning recently on Tucson's far northeast side, a Say's phoebe, complete with a light-orange breast and a gray back, stood atop an orange metal fence.
A northern shoveler stays dry for the moment at the Sweetwater Wetlands.
Unperturbed by passers-by, a great egret stands its ground at The Lakes at Castle Rock. When The development was built 31 years ago, it was controversial because of its use of water.
Trees will be planted in this area at the trailhead of the Atturbury-Lyman Bird and Animal Sanctuary. "The goal is to re-establish native vegetation for the benefit of birds and other wildlife at the sanctuary," said Kendall Kroesen, habitats program manager for the Tucson Audubon Society.
The trail along the basin section of Atturbury-Lyman Bird and Animal Sanctuary, 8300 E. Escalante Road, is wide, winding and shady.
Birds, other wildlife - and people, as well - will benefit from habitat restoration work at an urban nature preserve Saturday.
The University of Arizona Department of Entomology's photographer Margarethe Brummermann, in conjunction with the Tucson Audubon Society, put on A Buggy Night in Peppersauce Canyon last Thursday. A structure containing black lights and sodium vapor lights attracted insects.
Rick Gagnon and Margarethe Brummermann, both at right, photograph and watch insects. Brummermann talks about insects and their habitats and behaviors at her events. Participants are free to get up close and personal with the bugs.