Sibley Birders Trivia Backyard Birding 11 full-color spreads

11 full-color spreads

while the wide mouth opening allows for effortless filling

are original ideas protected by multiple international patents

ecologic devastation

contemporary novel about surviving in the wilderness

Sibley Birders Trivia Backyard Birding 11 full-color spreadsA game for birders to test their knowledgewith 200 cards offering 400 questions of varying difficulty about the birds of North America from the bestselling author and ornithologist David Allen Sibley. True or false: Many dinosaurs (the ancestors of modern birds) had feathers. If you answered true, you just won a point playing this ultimate ornithology trivia game. Sibley Birders Trivia offers 400 questions that will test your bird knowledge over five