Male Java sparrows may 'drum' to their songs

Male Java sparrows may coordinate their bill-clicking sounds with the notes of their song, according to a study published May 20, 2015 in the open-access journal PLOS ONE by Masayo Soma and Chihiro Mori from Hokkaido University, ...

Even low-level PCBs change bird songs

It may not kill them outright, but low-level PCB (polychlorinated biphenyls) contamination disrupts how some birds sing their songs, report Cornell researchers.

Song sparrows escalate territorial threats (w/ Video)

Territorial song sparrows use increasingly threatening signals to ward off trespassing rivals. First an early warning that matches the intruder's song, then wing waving – a bird's version of "flipping the bird" – as the ...

World's largest natural sound archive now online

(Phys.org)—After 12 years of work, Cornell's Macaulay Library archive, the largest collection of wildlife sounds in the world, is now digitized and fully available online.

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