Definitions for pyrrhula
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Pyrrhula, genus Pyrrhula(noun)
Pyrrhula is a small genus of passerine birds, commonly called Bullfinches, belonging to the finch family. The genus has a palearctic distribution. All species occur in Asia with two species exclusively in the Himalayas and one species, P. pyrrhula, also occurring in Europe. The Azores Bullfinch is a critically endangered species, occurring only in the east of the island of São Miguel in the Azores archipelago. Analysis of the mtDNA cytochrome b sequence indicates that the holarctic Pine Grosbeak is the closest living relative of this genus. Arguably, it could be included in Pyrrhula, but more probably is a distinct offshoot of a common ancestor, with the Pine Grosbeak as the sister group to the ancestor of the bullfinches. The evolution of the bullfinch species started soon after the Pine Grosbeak's ancestors diverged from them, and it is quite possible that the latter species evolved in North America; what is fairly certain is that the bullfinch radiation started in the general area of the Himalayas. The mountain finches also seem to be part of this clade.
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