The Life of Birds those birds whose sustenance comes from flesh and their methods of hunting. In New Zealand, Attenborough observes keas, parrots that do not eat meat exclusively, raiding a shearwater's burrow for a chick. However, it is the dedicated birds of prey, such as owls, buzzards, eagles, falcons and vultures, to which much of the programme is devoted. In order to spot and pursue their victims, senses of sight and hearing are very acute. Vultures are the exception, in that they eat what others have left, and once a carcass is found, so many birds descend on it that the carrion seems
Mass noun usage dates back to Old English. In 2008, Tesco changed supermarket checkout signs reading "Ten items or less" after complaints that it was bad grammar; it switched to "Up to ten items" rather than "Ten items or fewer" at the suggestion of the Plain English Campaign. There is often confusion about the two different concepts of "collective noun" and "mass noun". Generally, collective nouns are not mass nouns, but rather are a special subset of count nouns. However, the term "collective noun" is often used to mean "mass noun" (even in some dictionaries), because users conflate two different kinds of