According to Discover, researchers have “caught willow, poplar, alder, and birch trees listening to their own kind and barley seedlings listening to other barley seedlings.
Menurut Discover, para peneliti telah ” mengamati pohon wilow, poplar, alder, dan betula mendengarkan sesama spesiesnya dan kecambah barli mendengarkan kecambah barli lainnya.