Science

Scientist discovered that wild bird (Japanese tit) can communicate with wing gesture. When two parent birds arrived nearby the nest at the same time, female bird fluttered wings signaling that ‘after you’ to its mate.

Scientist discovered that wild bird (Japanese tit) can communicate with wing gesture. When two parent birds arrived nearby the nest at the same time, female bird fluttered wings signaling that ‘after you’ to its mate. https://www.youtube.com/watch?v=84wFXcYm92k

The male bird entered first when this happened. If the female bird didn’t flutter, the male bird always entered the second.