The birds rub their beaks in iron-rich peat water or muddy soil and then spread the mixture over their otherwise light gray back feathers. This causes them to color themselves dark brown and visually blend perfectly with the background of their nesting site.The birds rub their beaks in iron-rich peat water or muddy soil and then spread the mixture over their otherwise light gray back feathers. This causes them to color themselves dark brown and visually blend perfectly with the background of their nesting site.Die Vögel reiben ihren Schnabel in eisenhaltigem Moorwasser oder schlammiger Erde und streichen sich das Gemisch anschließend über das ansonsten hellgraue Rückengefieder. Dadurch färben sie sich selbst dunkelbraun und verschmelzen optisch ideal mit dem Hintergrund ihres Nistplatzes.
Crane in FlightCrane in FlightKranich im Flug
The birds rub their beaks in iron-rich peat water or muddy soil and then spread the mixture over their otherwise light gray back feathers. This causes them to color themselves dark brown and visually blend perfectly with the background of their nesting site.The birds rub their beaks in iron-rich peat water or muddy soil and then spread the mixture over their otherwise light gray back feathers. This causes them to color themselves dark brown and visually blend perfectly with the background of their nesting site.Die Vögel reiben ihren Schnabel in eisenhaltigem Moorwasser oder schlammiger Erde und streichen sich das Gemisch anschließend über das ansonsten hellgraue Rückengefieder. Dadurch färben sie sich selbst dunkelbraun und verschmelzen optisch ideal mit dem Hintergrund ihres Nistplatzes.