Shearwaters and petrels (hereafter petrels) are highly adapted seabirds that occur across all
the world's oceans. Petrels are a threatened seabird group comprising 124 species. They …

The importance of sympatric speciation–the evolution of reproductive isolation between
codistributed conspecific individuals–in generating biodiversity is highly controversial …

A state-of-the-art photographic field guide to the world's oceanic birds Oceanic birds are
among the most remarkable but least known of all birds, living at sea, far from the sight of …

Speciation—the multiplication of species through the evolution of barriers to reproduction
between populations—plays a central role in evolution since it enables two or more …

Petrels, albatrosses, and storm-petrels are among the most beautiful yet least known of all
the world's birds, living their lives at sea far from the sight of most people. Largely colored in …

Understanding seabird marine habitat affinities, at-sea behavior, variability in reproductive
success, migratory patterns, phenology, and other life history traits depends primarily on …

Changes in this supplement include the following:(1) 4 species (Columba palumbus,
Amazilis amazilia, Ichthyaetus ichthyaetus, and Helopsaltes certhiola) are added to the main …

How seasonal migration originated and impacted diversification in birds remains largely
unknown. Although migratory behaviour is likely to affect bird diversification, previous …

Grouse (Tetraonidae, sensu Voous 1977) are nested within Phasianidae (sensu Voous
1977), as demonstrated by a number of molecular phylogenetic studies (Kimball et al. 1999 …

Humans are inherently biased towards naming species based on morphological differences,
which can lead to reproductively isolated species being mistakenly classified as one if they …