Question: Generate a question about the following movie plot: Young Carl Fredricksen (Jeremy Leary), a quiet bespectacled boy wearing an old pilot's cap and goggles, watches a film reel in a theater depicting his hero Charles Muntz (Christopher Plummer), a famous explorer. The reporter speaks of Muntz's various accomplishments and discoveries before commenting that he was recently dishonored by scientists who believed his latest find, the large skeleton of a bird, was a hoax. Intent on proving them wrong, Muntz is seen boarding his zeppelin with his team of dogs and promises to return once he has brought back living proof of his find. After the show, Carl runs down the street with his balloon, named after Muntzs zeppelin The Spirit of Adventure. He passes an old, rundown house where he hears someone shout out Muntz's famous slogan: Adventure is out there!Carl goes inside to investigate and meets a young, outgoing tomboy who shares his passion for exploration and admiration of Charles Muntz. Startled by her loud, boyish demeanor at first, Carl loses his balloon in the rafters. The girl, Ellie (Elie Docter), helps him retrieve it, though Carl falls from a beam and breaks his arm. Ellie sneaks into his room that night and shows him her adventure book where she expresses a desire to one day move to the top of Paradise Falls in South America, showing him a picture that she 'ripped right out of a library book'. She makes him promise that they will go together someday before leaving. A musical montage shows Carl and Ellie eventually getting married and moving into the old house where they first met. Their marriage is blissful and they get jobs as a balloon salesman and zookeeper, respectively. When they discover that Ellie is unable to have children, they make a pact to save money to travel to Paradise Falls. However, as the years pass, they are forced to dig into their Falls fund for other obligations. One day, an elderly Carl realizes that, despite living happily together, they never fulfilled their old promise and decides to surprise Ellie on a picnic with tickets to South...
Answer:
What does Russell call the tall, colorful flightless bird?