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
Work Is a Four-Letter Word was it, really. I made a decision that I was going to get away on holiday. The only place I could think of was L.A. L.A. was the only place I knew where there'd be sunshine, so off I went. I never saw Morrissey again." Work Is a Four-Letter Word Work Is a Four-Letter Word (also known as Work Is a 4-Letter Word) is a 1968 British satirical comedy film starring David Warner and Cilla Black, in her only acting role in a cinematic film. The film, which directed by Peter Hall, was not well received by critics even though