Speciation Reversal: The Case of the Common Raven

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Omland_Richardson_HPCF_2015.pdf (1.21 MB)

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http://hpcf-files.umbc.edu/research/posters/Omland_Richardson_HPCF_2015.pdf

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http://hdl.handle.net/11603/30090

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Author/Creator ORCID

https://orcid.org/0000-0002-8502-7442
 https://orcid.org/0000-0003-1745-2292
 https://orcid.org/0000-0002-3863-5509

Date

2015

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posters
Text

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Abstract

Speciation reversal results when two or more distinct species interbreed to form one species. This phenomenon is most widely known in human history; our evolutionary background consisting up to four separate lineages, now reduced to a single species. Speciation reversal is also noted in other organisms, such as fish and birds. However, unlike fish, the documented cases of speciation reversal in birds are not influenced by humans, and reflect a natural occurrence. We focus on the case of Common Ravens, which suggests a likely case of speciation reversal.