Wilkins’ global trek maps song of the barn swallow

About 100,000 years ago, the barn swallow — that hairpin-turning, insect-snagging, eave-nesting icon of rural regions — took wing from northern Africa to begin blanketing the Northern Hemisphere…

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The study:

Global song divergence in barn swallows (Hirundo rustica): exploring the roles of genetic, geographical and climatic distance in sympatry and allopatry

Divergence in acoustic signals plays an important role in the production and maintenance of biodiversity in numerous taxa. In this …

Matthew R Wilkins, Elizabeth S C Scordato, Georgy A Semenov, Hakan Karaardiç, Daizaburo Shizuka, Alexander Rubtsov, Péter L Pap, Sheng-Feng Shen, Rebecca J Safran

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