RICHARD KIRBY / Bower of the Vogelkop gardener bowerbird (Amblyornis inornata) built by the male to attract a female, Irian Jaya / West Papua, Western New Guinea

RICHARD KIRBY / Vogelkop gardener bowerbird male tending bower to attract mate Irian Jaya / West Papua, Western New Guinea

Ingo Arndt / Vogelkop bowerbird (Amblyornis inornatus) decoration material (flowers) collected in order to attract females to his bower, Arfak Mountains, Irian Jaya, New Guinea, Indonesia.

Ingo Arndt / Vogelkop bowerbird (Amblyornis inornatus) decoration material (fruit) collected in order to attract females to his bower, Arfak Mountains, Irian Jaya, New Guinea, Indonesia.

Ingo Arndt / Male Vogelkop bowerbird (Amblyornis inornatus) constructing bower roof. Arfak Mountains, West Papua, Indonesia.

Tim Laman / Bower of a Vogelkop Bowerbird (Amblyornis inornatus) Arfak Mountains, West Papua, New Guinea.

Tim Laman / Bower of a Vogelkop bowerbird (Amblyornis inornata) bower, New Guinea

Tim Laman / Bower of a Vogelkop bowerbird (Amblyornis inornata) bower, New Guinea.

Tim Laman / Vogelkop Bowerbird (Amblyornis inornatus) male at his bower. West Papua.

Tim Laman / Bower of a Vogelkop Bowerbird (Amblyornis inornatus) in the montane rainforest of the Arfak Mountains, West Papua.

Tim Laman / Bower of the Vogelkop Bowerbird (Amblyornis inornata) decorated with piles of acorns, black fungi, and orange fungi. A crude smaller bower is visible to the right of the main one, which is possibly a...

Tim Laman / Bower of a Vogelkop Bowerbird (Amblyornis inornata) with bright decorations including drink cans. West Papua, Indonesia, Nov 2008