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Episode 847             Episode 849
Episode 848

Taxonomy of lemurs
Sat, 2019-Aug-31 01:34 UTC
Length - 3:04

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Welcome to featured Wiki of the Day where we read the summary of the featured Wikipedia article every day.

The featured article for Saturday, 31 August 2019 is Taxonomy of lemurs.

Lemurs were first classified in 1758 by Carl Linnaeus, and the taxonomy remains controversial today, with approximately 70 to 100 species and subspecies recognized, depending on how the term "species" is defined. Having undergone their own independent evolution on Madagascar, lemurs have diversified to fill many niches normally filled by other types of mammals. They include the smallest primates in the world, and once included some of the largest. Since the arrival of humans approximately 2,000 years ago, lemurs have become restricted to 10% of the island, or approximately 60,000 square kilometres (23,000 sq mi), and many face extinction. Concerns over lemur conservation have affected lemur taxonomy, since distinct species receive increased conservation attention compared to subspecies.

The relationship between the aye-aye and the rest of the lemurs has had the greatest impact on lemur taxonomy at the family rank and above. Genetic analysis of this relationship has also clarified lemur phylogeny and supports the hypothesis that lemurs rafted to Madagascar. Despite general agreement on phylogeny, the taxonomy is still under debate. At the genus level, the taxonomy has been relatively stable since 1931, but a number of additional genera have been recognized since then.

Since the 1990s, there has been a steep increase in the number of recognized lemur species and subspecies through the discovery of new species, the elevation of existing subspecies to full species status, and the recognition of new species among previously known populations that were not even distinct subspecies. Currently living lemur species are divided into five families and 15 genera. If the extinct subfossil lemurs are included, three families, eight genera, and 17 species would be added to the count. The recent rise in species numbers is due to both improved genetic analysis and a push in conservation to encourage the protection of isolated and distinct lemur populations. Not everyone in the scientific community supports these taxonomic changes, with some preferring instead an estimate of 50 living species.

This recording reflects the Wikipedia text as of 01:34 UTC on Saturday, 31 August 2019.

For the full current version of the article, see Taxonomy of lemurs on Wikipedia.

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