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Biological Reviews

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Biological Reviews: Volume 77, Issue 1

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Avian egg size: variation within species and inflexibility within individuals

Fluctuating asymmetry as an indicator of fitness: can we bridge the gap between studies?

A review of criticisms of phylogenetic nomenclature: is taxonomic freedom the fundamental issue?

Duet-splitting and the evolution of gibbon songs

Sexual segregation in ungulates: a comparative test of three hypotheses

Some recent advances on the study and understanding of the functional design of the avian lung: morphological and morphometric perspectives

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