Turns out, humans aren’t the only ones who might sing off key – some birds do it too; and the more rare they are, the more likely that is. Vince Gutschick explains in this week’s Science Digest.
The Science Digest - Bird Songs in the Key of "Off"

Turns out, humans aren’t the only ones who might sing off key – some birds do it too; and the more rare they are, the more likely that is. Vince Gutschick explains in this week’s Science Digest.