Species complex
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In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear. The taxa in the complex m
At least six treefrog species make up the Hypsiboas calcaratus–fasciatus species complex.
The fly agaric comprises several cryptic species, as is shown by genetic data.
The forest elephant (shown) is the bush elephant's sibling species.
Mbuna cichlids form a species flock in Lake Malawi.
Subspecies
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A subspecies is a taxonomic rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics, but that can successfully interbreed. Not
Ceylon paradise flycatcher (Terpsiphone paradisi ceylonensis), an Indian paradise flycatcher subspecies native to Sri Lanka
African leopard (Panthera pardus pardus), the nominotypical (nominate or definitive) leopard subspecies native to Africa
Sunda Island tiger (P. tigris sondaica), a tiger subspecies native to the Sunda islands
The Indian rhinoceros (Rhinoceros unicornis) is a monotypic species.