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
A Bird in a Bonnet ends with the word "Oshimai!". "A Bird in a Bonnet" is one of six cartoons scored with stock music by John Seely from the Capitol Records Hi-Q library because of a musician's strike in 1958; the others are "Weasel While You Work", "Hip Hip-Hurry!", "Hook, Line and Stinker", "Gopher Broke", and "Pre-Hysterical Hare". This cartoon is the only Friz Freleng cartoon to have a Seely score; two others were directed by Chuck Jones (both starring Wile E. Coyote and Road Runner), while the remaining three were helmed by Robert McKimson. A Bird in a Bonnet A Bird in a Bonnet