Was deine Gartenvögel wirklich tun, wenn du für Tage wegfährst (Du hast es nie gesehen)

You come back. The garden looks the same as always. But the birds aren't there—or they are, but different. You think: They just didn't notice. But that's not the case at all. What behavioral biologists have discovered about garden birds and human absence in recent decades completely changes the picture. In this video: What your birds really do while you're gone—and what the first bird to land after your return is actually telling you.