NOVABird Brain Season 44 Episode 20 | 53m 30s Watch astonishing tests of avian aptitude: parrots that can plan for the future, jackdaws that can “read” human faces, and crows that can solve multi-step puzzles with tools like pebbles, sticks, and hooks. Could these just be clever tricks, based on instinct or triggered by subtle cues from their human handlers? Aired: 12/20/17 Expires: 12/19/20 Rating: TV-G Closed CaptioningVideo has closed captioning.Buy Now:PBSBuy DVDs AppleBuy on iTunes checkmarkAdd to WatchlistWatch PreviewProblems Playing Video?Report a ProblemClosed CaptioningShare:Share this video on FacebookFacebookShare this video on TwitterTwitterShare this video on Google PlusGoogleShare this video via EmailE-mailEmbedEmbed Code for this videoEmbed CodeNOVABird BrainSeason 44 Episode 20Width in pixels px Height in pixels px Copied to your clipboardLabelCopy to ClipboardClick to copy embed code for videoCloseCloseReport a ProblemBefore you submit an error, please consult our Troubleshooting Guide.Type of ErrorVideo doesn't loadVideo loads, but doesn't playVideo jumps back/forwardOnly audio is streamingSponsorship playback errorOtherPlease add more detailsCancelSubmit ReportYour report has been successfully submitted. Thank you for helping us improve PBS Video.CloseCloseClose Learn More Down The Mysteries of Optic Flow Birds use a trick of the eye called “optic flow” to zip through forests without colliding. How Smart Are Animals? Dogs, dolphins, parrots and even octopuses (mere mollusks!) may be smarter than you think. Songbirds as Clues to Creativity The way birds construct their songs could give us insight into the nature of creativity. Bird Brains: Expert Q&A Ofer Tchernichovski studies bird brains and vocal learning at the City College of New YorkEpisode Links NOVA's "Bird Brain" Homepage Email Newsletter Shop NOVA
InteractiveNOVA's Black Holes AppIn this iPad app, navigate fields of cosmic objects in your quest to become a black hole.PlayPlay