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Morrow, E.H., Pitcher, T.E. & Arnqvist, G. (2003). No evidence that sexual selection is an engine of speciation in
 

Summary: ERRATUM
Morrow, E.H., Pitcher, T.E. & Arnqvist, G. (2003). No
evidence that sexual selection is an Ôengine of speciationŐ in
birds. Ecology Letters, 6, 228­234.
We presented a comparative analysis of how species
richness coevolves with sexual size dimorphism, sexual
dichromatism and relative testes size in birds. The compar-
ative method we employed (implemented in the computer
program MacroCAIC) assumes that all, or at least nearly all,
extant taxa are included in the analysis. This was not the case
in our original contribution (see also Gage et al. 2002 who
used MacroCAIC in two of their mammalian analyses) and
the analyses reported there are therefore suspect. We are
very grateful to Tim Barraclough for pointing out this error.
Since a complete phylogenetic hypothesis of all bird
genera is not available at present, it is not possible to
reanalyze the data at the generic level. However, a near
complete family level phylogeny (incorporating 9564 of an
estimated 9968 extant species) is available (Sibley & Ahlquist
1990) allowing us to include nearly all extant species in the

  

Source: Arnqvist, Göran - Department of Animal Ecology, Uppsala Universitet

 

Collections: Environmental Sciences and Ecology