Hard bites and slow songs: How beak size affects the singing and evolution of songbirds

PHYSorg
Feb 6, 2025, 12:35 pm69 pts
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! Though the bite isn't serious, my finger still hurts the next day.

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