Skip to main content
Humans can't hear black hummingbird's high-pitched song

The black Jacobin hummingbird has a song that is so high-pitched that it can't be heard by humans, according to findings published in Current Biology. Researchers came across the unusual species during a visit to the Atlantic Forest in Brazil, where there had been sightings of a black hummingbird that appeared to be singing but couldn't be heard by observers.

Full Story: