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 verb number invariability: (a) that seen with mass nouns such as "water" or "furniture", with which only singular verb forms are used because the constituent matter is "grammatically" nondiscrete (although it may ["water"] or may not ["furniture"] be "etically" nondiscrete); and (b) that seen with collective nouns, which is the result of the metonymical shift between the group and its (both grammatically and etically) discrete constituents. Some words, including "mathematics" and "physics", have developed true mass-noun senses despite having grown from count-noun roots. Mass noun In linguistics, a mass noun, uncountable noun, or non-count noun is a noun with the