Riders of all ages and skill levels will participate in the event, which the public is invited to watch.

Utah WinterCross includes eight rounds of races and will also offer specialized pro, mini, peewee, women's, ATV, big bike and pit bike classes. The indoor event will present jumps, bumps, berms and turns. Each night will showcase more than 40 races.

Additional events will be Feb. 8-9 and March 14-15. Visit www.utah wintercross.com for more information.

Hardware Ranch trip

The Utah Museum of Natural History is holding a family field trip to Hardware Ranch in Cache County on Saturday. Visitors will ride horse-drawn sleighs among herds of Rocky Mountain elk on the state-owned wildlife-management area. Transportation to the ranch from the museum and lunch is provided for $75.

Field trips in February include "Ecology and Geology of Soda Springs and Lava Hot Springs" in Idaho and "Dog Sledding in West Yellowstone." A trek to Topaz Mountain in Juab County will be featured in March. A minimum age of 8 is recommended.

Visit www.umnh.utah.edu or call the museum at 801-581-5567 for more information.

Bald Eagle Days

The Utah Division of Wildlife Resources is holding the 18th annual Bald Eagle Day with free viewing events on Feb. 2 and 9.

Spotting scopes will be available at each viewing site, and state biologists and volunteers will also be at each site to help visitors spot eagles and to answer questions.

Biologists say the best time to see the largest number of eagles is between 2 and 4 p.m. Bald Eagle Day is one of the Division of Wildlife Resources' most popular wildlife-viewing events.

Bald Eagle Day events start Feb. 2 with viewing at Fountain Green State Fish hatchery east of Nephi, Split Mountain on the Green River near Jensen in northeastern Utah, and in the Cedar Valley northwest of Cedar City.

The events continue on Feb. 9 with viewing at the Salt Creek Waterfowl Management Area near Corinne and at the Farmington Bay Waterfowl Management Area west of Farmington.

All viewing times are from 9 a.m. to 4 p.m., with the exception of the Salt Creek Waterfowl Management Area, where it will run from 10 a.m. to 3 p.m.

Visit www.wildlife.utah. gov for more information.

Backyard Bird Count

The 11th annual Great Backyard Bird Count will be Feb. 15-18 with the theme "Count for Fun, Count for the Future." Anyone can count birds wherever they are and enter the tallies online at www.birdcount.org. These reports contribute valuable information for science and conservation, spotlighting changes in bird population and distribution from year to year. The count is led by Audubon and the Cornell Lab of Ornithology. Participation is free and no registration is required.

The Great Backyard Bird Count is a free event, sponsored in part by Wild Birds Unlimited. Everyone who participates will be entered in a drawing to win bird-related prizes. For more information, visit www.birdcount.org.

Tracking program

Antelope Island State Park is holding a Junior Ranger program in tracking Saturday at noon. The program is geared for youth ages 6-12, but all ages are welcome. Meet at the visitor center on the island and dress for an outdoors walk. Call 801-721-9569 for more information.

Great Salt Lake photos

An audiovisual tour of the Great Salt Lake featuring photographs from Charles Uibel and Keith Vaught will be shown at 3 p.m. in the visitors center on Antelope Island State Park. Call 801-721-9569 for more information.

Wasatch Citizens Series

The Timberland Wasatch Citizens Series Nordic ski race series continues with the next event Saturday at Mountain Dell Golf Course in Parleys Canyon. This is a 10K classical technique event. Visit www.utahnordic.com for more information.

Preschool star program

The Ogden Nature Center, 966 W. 12th St., is holding the Starry Starry Nights preschool program for ages 3-5 on Monday, Feb. 13 and Feb. 21 with classes at 9:30 a.m., 11 a.m. and 1 p.m. Children will get to know the nighttime canopy, hear tales of the night sky and enjoy a midnight snack.

The program runs one hour and is $3 per child with adult chaperones free. Space is limited; call 801-621-7595 to register. Visit www.ogden naturecenter.org for more information.

Birding trip

Great Salt Lake Audubon is holding a field trip to the Farmington Bay Waterfowl Management Area Wednesday. Meet at the McDonald's at Centerville exit 319 off I-15 at 8:30 a.m. for breakfast or at 9 a.m. for departure. Call Bob at 801-595-8748 if you plan to attend.

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* To get your event listed, e-mail the information to brettp@sltrib.com or by mail to Brett Prettyman, The Salt Lake Tribune, 90 S. 400 West, Suite 700, Salt Lake City, UT 84101.