👉 "Heartbird" refers to a type of bird that is known for its unique ability to sing in tune with its heartbeat, allowing it to communicate more effectively and efficiently during periods of stress or difficulty. This behavior has been observed in birds such as the mourning dove and the hummingbird, which are both members of the sunfowl family. Heartbirds are characterized by their distinctive feathers that have a heart-shaped shape, which allows them to feel the beat of their own heart while singing. The song