Established in 1894, National Bird Day is a day to raise awareness about the protection of various species of birds.
Krestovnikoff, Miranda. Birds: Explore Their Extraordinary World. Explores seven families of birds–birds of prey, seabirds, freshwater birds, flightless birds, tropical birds, tree dwellers, and passerines.
More juvenile books about birds:
Eriksson, Ann. Bird’s Eye View: Keeping Wild Birds in Flight.
Jackson, Tom. The Magnificent Book of Birds.
Klatte, Kathleen. Owls at Night.
Levine, Sara. A Peek at Beaks: Tools Birds Use.
Page, Robin. The Beak Book.
Taylor, Barbara. The Bird Atlas.
Turner, Tracy. Wings: Birds, Bees, Biplanes, and Other Things With Wings.