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 the outside is perfect, has a great career and forthcoming nuptials, but in reality she is suffocating. Trendy art gallery owner and serial dater Princess is played by Renate Stuurman. The three friends juggle life's surprising changes as they come to learn that "happiness doesn't come with a manual". The three will have to find out what truly makes each of them happy and then fight to get it in their unique way. Perfectionist Nandi seems to have the new South African dream life within her grasp: being a partner in a major firm, a marriage and the perfect house