Everything about Species Flock totally explained
In
evolutionary biology, a
species flock is a diverse group of closely related
species in an isolated area.
A species flock may arise when a species penetrates a new geographical area and diversifies to occupy a variety of
ecological niches; this process is known as
adaptive radiation. The first species flock to be recognized as such was the 13 species of
Darwin's finches on the
Galápagos Islands described by
Charles Darwin.
A species flock may also arise when a species acquires an adaptation that allows it to exploit a new ecological niche. For example, the
Antarctic icefishes are a species flock of 122 marine fishes that have an adaptation that allows them to survive in the freezing, ice-laden waters of the
Southern Ocean because of the presence of an
antifreeze glycoprotein in their blood and body fluids.
The
cichlids are a group of
perciform fishes that contains a number of species flocks found in the lakes and rivers of central and southern Africa.
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