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 Bird Brothers this is that the bird that drinks water will fly fastest. The last possible riddle is "Which bird will fly slowest?" The proper answer for this is that the bird that drinks poison will fly slowest. In addition, the most sharpest thing is water. Four Bird Brothers The tale of Four Bird Brothers are folk legend that repeatedly appears in Lee Yeongdo's fantasy novel "The Bird That Drinks Tears" and its sequel "The Bird That Drinks Blood". In the fictional world of the series, according to the legend of "Kitalzer Hunters" there were once four bird brothers who each had