The grey-headed swamphen is a species of swamphen occurring from the Middle East and the Indian subcontinent to southern China and northern Thailand. It used to be considered a subspecies of the purpl
Grey headed swamphen male
Grey headed swamphen female
Porphyrio poliocephalus - MHNT
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
Grey-headed swamphen
…used to be considered a subspecies of the purple swamphen, but was elevated to full species status in 2015; today the purple swamphen is considered a superspecies and each of its six subspecies groups are designated full species. It is a large greyish-blue to greyish-purple wetland bird 43 cm long with a pale…
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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.