Kettle Moraine Land Trust will host its annual Mother's Day Bird and Nature Walk at 9 a.m. on Sunday, May 14 at Price Park, N6418 Hodunk Rd., Elkhorn. Enjoy the prairies and woodlands of Price Park, migrating birds, and more. This event is free for KMLT members and $5 for non-members and is suitable for all ages and abilities, as trails are flat with gentle slopes.