Birds learn to avoid flashy, hard-to-catch butterflies and their lookalikes

The showy colors of some butterflies could advertise their speed and nimbleness, much like a coat of bright yellow paint on a sports car. A new study shows birds can learn to recognize these visual cues, avoiding not only butterflies they've failed to nab in the past but similar-looking species as well.

source https://www.sciencedaily.com/releases/2021/03/210311185936.htm