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) Four Letter Word (Beady Eye song) "Four Letter Word" is a single by English band Beady Eye, released on Beady Eye Records as "BEADY3". The track is also featured on their 2011 debut album "Different Gear, Still Speeding" as the opening track. The video for the song was premièred exclusively for NME and also on the band's official website on 26 December 2010, at the same time a limited edition 7" vinyl was released on 17 January 2011 on 7" vinyl backed with new track "World Outside My Room". All songs written by Liam Gallagher, Gem Archer, and Andy Bell.