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
Happiness Is a Four-letter Word "Trumbo". It was ranked at number 3 on the Top 10 after "Deadpool" and "Vir Altyd". Mario Dos Santos, CEO of Ster-Kinekor Entertainment, said: "The opening weekend's results for the film are simply overwhelming not only from local content perspective but also in comparison to Hollywood content." Happiness Is a Four-letter Word received critical acclaimed from its critics. The movie received a 97% approval rating from Metacritic. Happiness Is a Four-letter Word Happiness is a Four-letter Word is a 2016 South African romantic drama film directed by Thabang Moleya and written by Busisiwe Ntintili. Based on the novel of the