Doraemon: Nobita and the Winged Braves

After watching a televised showing about supposedly humanoid birds spotted in Africa, Nobita dreams of being able to fly with wings. He builds wooden wings after Doraemon refuses to help him, though he repeatedly fails to fly using them. While helping Shizuka to reclaim her pet canary, they witness a portal opens in the sky and a humanoid bird riding an airplane coming out. He introduces himself as Gusuke, a humanoid bird who lives in "Birdopia". Doraemon, Nobita, and Shizuka help Gusuke ...