March 1-April 9: Wings Over the Platte, Grand Island, NE. Tours and hikes to view sandhill cranes. Hall County Convention & Visitor’s Bureau (800-658-3178).

March 3-4: Spring Wing Ding, Clay Center, NE. Bus tours of local wetlands, workshops for adults and children. Tom Hastings (402-762-3518).

March 4-5: Atlantic Wildlife Art & Nature Exposition, Virginia Beach, VA. Decoys, carvings, paintings, and photographs. Atlantic Wildfowl Heritage Museum (757-437-8432; atlanticwildfowl@rcn.com).

March 10-11: Prairie Chicken & Waterfowl Weekend, Effingham, IL. Overnight birding trip to Prairie Ridge State Natural Area and Newton Lake Fish and Wildlife Area. Vernon Kleen (217-785-8774).

March 10-12: Monte Vista Crane Festival, Monte Vista, CO. Bus tours to Ala-mosa and Monte Vista refuges; wildlife workshops. Monte Vista Crane Festival (719-852-3552).

March 11-12: Wild on Wetlands Weekend, Los Banos, CA. Excursions, lectures, photography and birdwatching workshops, bird banding, duck calling. Los Banos Chamber of Commerce (800-336-6354).

March 17-19: Rivers and Wildlife Celebration 2000, Kearney, NE. Speakers, guided tours, hikes to view sandhill cranes, seminars, art show, and banquet. Audubon Nebraska State Office (402-797-2301).

March 18: March Maple Fest, Sharon, CT. Maple syrup-making demonstrations and sugarbush tours. Sharon Audubon Center (860-364-0520).

March 19: Buzzard Sunday, Cleveland OH. Celebrates the annual return of the buzzard with hikes, live buzzards. Cleveland Metro Parks (440-526-1012).

March 24-26: Aleutian Goose Festival: A Celebration of Wildness, Crescent City, CA. More than 30 workshops; field trips; water excursions; art exhibits. Crescent City Chamber of Commerce (800-343-8300; www.delnorte.org/soar).

March 26: Sand Lake Eagle Day, Columbia, SD. Tours of the refuge, raptor demonstrations. Sand Lake National Wildlife Refuge (605-885-6320).

April 7-9: Lake Erie Wing Watch Weekend, Huron, OH. Field trips, birding and conservation workshops, night hike. Erie County Visitor’s Bureau (800-255-3743).

April 7-9: Eagle Lake’s Prairie Chicken Festival, Eagle Lake, TX. Tours to Attwater Prairie Chicken National Wildlife Refuge and birdwatching led by Audubon naturalists. Eagle Lake Chamber of Commerce (409-234-2780; www.elc.net/festival).

April 7-9: John Scharff Migratory Bird Festival, Burns, OR. Birding tours, workshops, speakers. Harney County Chamber of Commerce (541-573-2636).

April 7-16: Great Texas Birding Classic, Brownsville to Texas City, TX. Nine-day birding tournament; teams compete for prizes to benefit conservation in Texas. Birding Classic, Texas Parks and Wildlife (888-892-4737).

April 8-9: Wildlife Weekend, Miami, FL. Environmental lectures and presentations. Miami Museum of Science (305-646-4263).

April 8-9: Bluebird Festival & Wildlife Art Show, Jackson, MI. Slide and live animal programs, conservation booths, wildlife art show, and guided walks. Dahlem Environmental Center (517-782-3453).

April 13-16: Great Louisiana Bird Fest, Mandeville, LA. Birding trips, seminars, and photography workshop. St. Tammany Tourist Commission (800-634-9443).

April 14-18: NAS National Convention, Monterey Bay, CA. Theme is "Audubon: The Gateway to Nature," focusing on Audubon’s 2020 Vision. California State Audubon (916-481-5332; www.audubon.org/local/cn/99december/convention.html).

April 16-22, 23-29: Upper Texas Coast Birding Festival, Galveston, TX. Guided birding excursions, evening programs. Galveston Bird Club (409-737-4081).

April 28-29: Salt Plains Celebration of Birds, Cherokee, OK. Birdwatching, tours through Great Salt Plains Refuge, talks on land management. The Great Salt Plains Association (580-596-3053; gspa@akslc.net or www.greatsaltplains.com).