Outdoors calendar: Thursday, May 21

Saturday, May 23

DreamCastIdaho Fly Fishing Swap Meet: 9 a.m. to 2 p.m. at Ann Morrison Park, Boise. Free for buyers, $25 for sellers. 724-7944, dreamcastidaho.com.

Tuesday, May 26

Golden Eagle Audubon Society monthly meeting: 7 p.m. at the MK Nature Center, 600 S. Walnut St., Boise. Presentation and discussion by naturalist Lee Moll on the remote islands in the Sea of Cortez. Also, voting for new GEAS board members and officers.

Saturday, May 30

Avimor Bird Walk: 8 a.m. to noon at Avimor Community Center on Avimor Drive off Idaho 55, 2.5 miles past Shadow Valley Golf Course. Contact Robert Mortensen at birdingisfun@gmail.com.

Wiener Dog Races: Registration 9 a.m., races 10, Winstead Park, 6150 W. Northview St., Boise. Benefit for Julia Davis Window to the River project and Lions Sight and Hearing Foundation. $30 fee, free for spectators. e-clubhouse.org/sites/boise_host/projects.php.

Sunday, May 31

Boise River Greenbelt bird watching and litter patrol: Meet at 9 a.m. in the Greenbelt parking lot behind The Tavern at Bown Crossing, near east end of ParkCenter Boulevard, Boise. Contact Pam Conley at 869-0337 or pam_conley@Q.com.

Youth workshop: Earth’s Magnetic Field: 10 a.m. to noon at Idaho Museum of Mining and Geology, 2455 Old Penitentiary Road, Boise. Hands-on activities for grades 4-12. Preregistration required by May 25. Call Shirley at 283-3186. idahomuseum.org.

Thursday, June 4

IBO Hummingbird Banding Project: 7:30 a.m. to 12:30 p.m. in the Idaho City area. To make a reservation, go to ibo.boisestate.edu/blog/24282/ or call Jessica Pollock at 426-2225. Other dates: June 20, July 2, 18, Aug. 1, 15 and 27.

Saturday, June 6

Rattlesnake Expo: 8 a.m. to 4 p.m. at Julia Davis Park, 700 S. Capitol Blvd., Boise. Vendor booths, clinics. Free expo. A rattlesnake avoidance dog training clinic will be from 8 a.m. to 3 p.m. for $60; second dog $50, any additional dogs $40. Registration at idahohumanesociety.org/rattlesnake, call 608-0833 or email idahochukarfoundation@hotmail.com.

Weiser River Trail Bike Ride: 8 a.m. at the Weiser River Trailhead, Railroad Avenue and Hornet Creek Road, Council. There is a 28-mile ride and a 48-mile ride. Cutoff date for both rides is June 1. $40-$60. Register at bluecirclesports.com.

Big Water Blowout River Festival: 9 a.m. at Riggins City Park, 150 miles north of Boise. Discounted whitewater rafting trips from 9 a.m. to 4 p.m., Dutch oven cookoff contest (cooking at 5 p.m., judging at 7 p.m.), music by Old Death Whisper. Free. bigwaterblowout.com.

Hells Canyon Days Farm Toy Show: 9 a.m. to 3 p.m. at Cambridge High School gym, 40 N. 4th St. (541) 447-7585, (208) 549-1150.

Fishin’ with the Commission: 10 a.m. to 2 p.m. at Settlers Pond, Ustick and Meridian roads, Meridian. Fish for free for the day – no fishing license required when you sign in at the Idaho Fish and Game “Take Me Fishing” trailer. Fishing gear and expert assistance will also be provided through Idaho Fish and Game. 287-7000, adacounty.id.gov.

Sunday, June 7

History of the Hecla Mine: 1 p.m. at the Idaho Museum of Mining and Geology, 2455 Old Penitentiary Road, Boise. Discussion presented by historian Troy Lambert. Free for members, $5 nonmembers. 283-3186, idahomuseum.org.

Saturday, June 13

BioBlitz Festival: 10 a.m. to 3 p.m. at the Deer Flat National Wildlife Refuge Visitor Center, 13751 Upper Embankment Road, Nampa. Bug tent, kids craft room, more. Also, free kids’ fishing day from 10 a.m. to 3 p.m. at Gotts Point where kids can learn about fish biology, fishing ethics and water safety. Volunteers needed. Free. 467-9278.

Sunday, June 14

Rattlesnake Avoidance Training for Dogs: 11 a.m. to 3 p.m. at Veterans Memorial Park, 930 N. Veterans Memorial Parkway, Boise. Each dog takes approximately 20 minutes to complete the training. All breeds of dogs six months or older accepted. $50 per dog with a reservation, $60 per dog without. Walkups welcome. 463-2304, snakeavoidance.org.

Saturday, June 20

Rocks to Products youth workshop: 10 a.m. to noon at the Idaho Museum of Mining and Geology, 2455 Old Penitentiary Road, Boise. Workshop foor grades 4 and up explores the journey from raw material to rock-based end products. Includes hands-on activities such as volcano making, fossil digging, talc polishing and gold panning. $10. Preregistration required by June 15. 283-3186, idahomuseum.org.

Saturday, July 25

4 Summit Challenge: 8 a.m. at American Legion Post 60, 105 E. Mill St., Cascade. The bicycle ride starts at the American Legion Hall and proceeds down Main Street to Warm Lake Road. Riders have a choice to ride one, two, three or four summits. Family fun ride also available. $66-$76. summitchallenge.com

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