A male Satin Bower Bird collecting sticks to maintain his bower in the Lamington National Park.
The male builds and decorates a bower to attract females. This consists of two parallel walls of sticks, built on the ground, and is used as a courtship arena during the breeding season. The male decorates it with bright blue coloured objects that it collects; blue clothes pegs, drinking straws and bottle tops are among the favourite stolen items, while bright blue parrot feathers, flowers and brown snail shells, make up the majority of decorations away from human habitation. The bower owner meticulously maintains it throughout the year. Both mature and immature males build bowers and display to prospective females.
On the arrival of a female, the male Satin Bowerbird leaps into a ritualised display of exaggerated movements, such as strutting and bowing, with wings outstretched and quivering, and accompanied by a variety of mechanical-sounding calls, such as buzzing and rattling interspersed with mimicry. One of the bower decorations is usually carried in the male's bill. If impressed, the female moves into the bower avenue for mating and then leaves to perform the nesting duties on her own, while the male readies himself for courting more prospective females.
The bower is more like a bachelors pad as the female builds a nest of sticks in a tree or bush, up to 30 m – 35 m above the ground.
Cheers
Dennis
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