Physiological changes substantial enough to place the infant in a different subspecies, all at once.

The song varies geographically, perhaps reflecting the different subspecies of this bird.

By far most lions kept in zoos are hybrids of different subspecies.

It has about 9 different subspecies, some of which may be better treated as separate species.

Tarsiers have also been reported in Sarangani, although they may be different subspecies.

There is also some variation across the different subspecies.

There are also 15 different subspecies or races, which differ mainly in geographical location.

The species is divided into several different subspecies, though the specific divisions are uncertain and controversial.

There are about 20 different subspecies which are found across most of the Americas.

Within each species different subspecies are discussed, which differ based primarily of dyeings.