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
Four Letter Word (Beady Eye song) The music video for the song, directed by Julian House and Julian Gibbs, was released exclusively on the NME website on 26 December 2010, and features the band, and live members Jeff Wootton and Matt Jones, playing to an audience in an undisclosed location in London with psychedelic imagery interspersed throughout. The release of the music video was also the first release of the song. "Four Letter Word" has so far been given even higher praise than the band's previous single, "Bring the Light". Four Letter Word (Beady Eye song) "Four Letter Word" is a single by English band Beady