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 ...
The Java sparrow is ready for the video recording. As I hold it carefully in my hand in order to transfer it to the recording cage, the little gray bird bites my finger with its thick red bill. Ouch!
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