The shark has 300 needle-shaped teeth in 25 rows and is a species that dates back 80 million years.
While in pursuit of a poaching vessel, a conservation ships encounters a creature never caught live on camera before.
A state wildlife volunteer is able to capture video footage of the little-seen marine mammal.
Researchers observe a rare bilateral gynandromorph bird and find in its life no mating and not even any singing.
The adopted pet with a rare condition lived an unexpectedly long life.
The wolf could be the first of its species to roam Arizona in 70 years.
A recent study finds a population of Kashmir musk deer living in steep, rocky outcrops in the northeast part of the country.
The population of the Philippines dwarf buffalo, one of the world's rarest animals, grows to its largest since efforts to save them began.
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