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The young raptor flies about, migrates if necessary, kills its own prey, and
behaves like an adult except that it cannot breed. This period varies ... The
breeding adult life is characterized by mating, nesting, and the rearing of young.
Most adults ...
In the smaller species, the down is succession replaced by the immature juvenal
plumage of softer, lacier texture than that of the adult. At this age, about two-
thirds of the way to fledging, the young owls may leave the nest and spend the
The Indian population of the house swift has two breeding seasons per year and
is one of the few birds in the world in which this phenomenon has been
demonstrated. Adult males are in full breeding condition in late January and
again in May ...
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