Flightless bird requirement for flightlessness. The kiwi does not exhibit gigantism, along with tinamous, even though they coexisted with the moa and rhea that both exhibit gigantism. This could be the result of different ancestral flighted birds arrival or because of competitive exclusion. The first flightless bird to arrive in each environment utilized the large flightless herbivore or omnivore niche, forcing the later arrivals to remain smaller. In environments where flightless birds are not present, it is possible that after the K/T Boundary there were no niches for them to fill. They were pushed out by other herbivorous mammals. New Zealand had
Man Is Not a Bird has succumbed to the charms of the truck driver. Jan asks her afterward if she has another lover. When she is evasive, he asks how old his rival is; she answers 20 or 22, but claims it does not matter to their relationship. This does not appease his anger, and she flees. Man Is Not a Bird Čovek nije tica (English title: Man Is Not a Bird) is a European art film made in 1965. It was the first film from director Dušan Makavejev. In a 1974 review, Vincent Canby described it "by far the most original, intelligent, witty and