Genus of birds
Xenicus is a genus of birds in the family "Acanthisittidae". It contains New Zealand wrens.
Species.
Lyall's wren was classified as "Xenicus lyalli" but is quite divergent, so it is placed in its own genus, "Traversia".
Taxonomy.
The stout-legged wrens formed a species pair. They had reduced wings and robust legs indicating that they were adapted to a terrestrial existence and were either flightless or nearly so. Genetic evidence has indicated that the former genus "Pachyplichas" is nested within "Xenicus," and stout-legged wrens must have evolved from a gracile-legged ancestor. A cladogram is given below.""
References.
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