![]() ![]() ![]() Think of it sort of as a “nested” system. A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more (including any that are extinct), never just one. Presence of specific locally-adapted traits may further subdivide species into “infraspecific taxa”, generally called subspecies. A species can be defined by many different measures, including similarity of DNA, morphology, or ecological niche. A species is one of the basic units of biological classification – a group of organisms capable of interbreeding and producing fertile offspring. The difference between a species and a subspecies tends to cause a lot of confusion when extinctions are reported by the media. It also seems to have refocused attention towards recent rhino extinctions.įortunately, we have not lost any rhino species in recent times, but at least two rhino subspecies have been lost in the past decade. The International Rhino Foundation’s (IRF) commentary on this auction can be found on our home page, The debate touches upon the broad spectrum of hunting activities, which range from the culling of selected animals to the unregulated, illegal slaughter we know as poaching, which threatens the very existence of a number of critically endangered species. The emerging debate around the recent announcement of the Dallas Safari Club’s plans to auction a trophy hunt for a critically endangered black rhino in Namibia has touched off a firestorm of comments from concerned individuals and organizations around the world. ![]()
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