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A comparative study of song form and duetting in neotropical Thryothorus wrens
TLDR
It is argued that these exceptional cases will provide important insights into the origins of duetting behavior, and tentatively suggest factors that may have played a role in determining the extent to which male and female birds combine their vocalizations together.
The Partners in Flight species prioritization scheme
The prioritization scheme identifies those birds at any locality on several geographic scales most in need of conservation action. Further, it suggests some of those actions that ought to be taken.
An interactive database for setting conservation priorities for western neotropical migrants
We develop and explain a species ranking system for the states and physiographic regions of the Neotropical Migratory Bird Conservation Program's West Working Group. The ranking criteria attempt to
The origin of finches on Tristan da Cunha and Gough Island, central South Atlantic ocean.
TLDR
Sequences from two mitochondrial and four nuclear genes indicate that the Patagonian bridled finches Melanodera are the closest relatives of the South Atlantic finches.
The use of avian museum specimen data in phenology studies: prospects and challenges
TLDR
Here, informatics challenges associated with developing a database of avian gonad size data are outlined and a novel analytical framework for estimating phenology from such data is presented that is broadly applicable to seasonal phenotype measurements.