Tucson Weekly: Listings: Outdoors (August 13

OUTDOORS
COLOSSAL CAVE MOUNTAIN PARK. Tour mysterious cave routes and enjoy a rib dinner under the ramada. Tours are conducted the first and third Saturdays of the month. Call 647-7275 for reservations, information and directions.
Listings DIG IT. Old Pueblo Archaeology Center, a nonprofit corporation, offers opportunities for you to dig with archaeologists at the Sabino Canyon Ruin, where Hohokam Indians lived 650 to 1,000 years ago. Experience the thrill of discovering buried pottery and other items left behind by prehistoric Arizonans, as the professionals show you how archaeologists excavate, interpret, and care for ancient finds. Reservations are required. Fee includes a tax-deductible donation to help fund the research. Archaeologist-guided tours of the ruin are also available. Call 798-1201 for information and registration.
HUMMINGBIRD WATCH. San Pedro House Visitor Center. The public is invited to watch as staff and volunteers from the Southeastern Arizona Bird Observatory capture and band hummingbirds on the San Pedro River. Banding sessions continue from 4 to 6 p.m. Saturdays, through August 29. Call 432-1388, or visit the SABO web site at http://www.sabo.org, for information.
NIGHT WALKS. Saguaro National Park East. Join park naturalists exploring the desert night life during special night walks from 7:30 to 9:30 p.m. on the second and fourth Fridays of each month. Advance registration is required. Contact the East Visitor Center at 733-5153 for information.
TOHONO CHUL PARK. 7366 N. Paseo del Norte. 742-6455. "Walk in the Park" tours, an overview of the park's 48 acres and its flora and fauna, are offered at 9 a.m. Tuesday, Thursday and Saturday, and at 1 p.m. Sunday. "Art in the Park" tours, docent-guided looks at gallery exhibits, are at 11 a.m. Tuesday and Thursday, and at 2 p.m. Sunday. The park offers additional guided tours for your enjoyment. "Birds of Tohono Chul" provides opportunities to observe the many species frequenting the park, and meets at 8 a.m. Monday, Wednesday, Friday and Saturday. Grounds are open from 7 a.m. to sunset daily. Exhibit hours are 9:30 a.m. to 5 p.m. Monday through Saturday, 11 a.m. to 5 p.m. Sunday. Admission is $2. Call 742-6455 for a daily events schedule.