Photos: (top) Camilla Cerea/Audubon; (Bird Migration Explorer) iStock; (Migration) Kajornyot Krunkitsatien/AdobeStock; (Safety) Adam Betuel; (Birds/Plants) Nick Shearman; (Water) Yvonne L. Massie/Audubon Photography Awards; (Wild About Birds) Danny Hancock; (Owls) Christine Haines/Great Backyard Bird Count; (Raptors) Andyworks/iStockphoto; (Wading Birds) John Studwell/Audubon Photography Awards; (Seabirds) Sandy Flint/Audubon Photography Awards; (Sharing Our Shores) Lisa Franceski; (Florida Scrub-Jay) Stephen Kintner; (Hummingbirds) Michael Renzi; (Bees) Kim Phillips; (all others) Thinkstock.