This Disappears When Logged In

These Tropical Hummingbirds Make Cricket-like Sounds Other Birds Can't Hear

Discussion in 'The Library' started by Rich, Mar 5, 2018.

  1. Rich

    Rich Administrator Staff Member Premium Member

    Researchers have found that a tropical species of hummingbird called a black jacobin makes vocal sounds with an unusually high-frequency pitch that falls outside birds' normal hearing range. It's not yet clear whether the hummingbirds can even hear themselves, the researchers say. XEIKDbZSOpc.gif

    Continue Reading...

    Use this thread to discuss the article above. What are your thoughts about These tropical hummingbirds make cricket-like sounds other birds can't hear?

Share This Page