Some birds have stunning plumage, some birds have complicated mating dances, but bowerbirds are creative engineers! To attract females, the males build, decorate, and maintain elaborate structures—the avian equivalent of bachelor pads—called bowers.

Male and female Great bowerbirds inspecting bower
Great gray bowerbird males prefer shiny, silvery objects to decorate their bower.
Satin bowerbird males are partial to blue objects for decorating their bowers.


Extraordinary engineers. Some birds have stunning plumage, some birds have complicated mating dances, but bowerbirds are creative engineers! To attract females, the males build, decorate, and maintain elaborate structures—the avian equivalent of bachelor pads—called bowers. These take many forms, but all are constructed with gathered twigs and objects like brightly colored stones, fresh flowers, or iridescent insect skeletons that are specially placed for the most impressive display.

Regent's bowerbird perched on mossy tree branch
Although the regent bowerbird male is bright yellow and black, the female is a drab gray or dirty white in color.

Bright as crayons. There are 20 different types of bowerbird, and their plumage patterns vary dramatically. They show a wide variety of colors from green, orange, red, yellow, black, and white to olive-brown or sooty gray. Some have a brilliant crest of elongated feathers or even a ruff hanging over the back. Typically, bowerbird females are less flamboyantly feathered than the males.

Bowerbirds are most numerous on the island of New Guinea in the South Pacific, but they are also found in specific areas of Australia. They occupy a range of different habitats, including tropical forests, mangroves, eucalyptus stands, and savanna woodlands.

Chatterboxes. Bowerbirds have a wide range of vocalizations. Some utter loud, harsh notes or hiss, cackle, and chatter. The calls include mimicry of other birds’ calls, sounds from their environment, and sometimes human-made noises. Both male and female can mimic the sound of predatory birds. The male performs these calls at the bower, whereas the female vocalizes at the nest if she is threatened or disturbed.


Satin female bowerbird holding a grub in her beak
A female satin bowerbird holds a tasty grub in her beak.

All bowerbirds are frugivores, living mainly on the fruits of trees and bushes; occasionally, they eat insects, spiders, and seeds. Since tree fruits are abundant most of the year, and it is a high energy food source, a fruit diet gives the male plenty of time to build his bower.

At the San Diego Zoo, the bowerbirds eat an assortment of fruit and low-iron pellets. Living in an aviary with other types of birds means they also have access to a variety of choices offered to their habitat companions.


Bower power. Male bowerbirds are famous for creating complicated bowers that are used for display during the mating ritual. These bowers can take many forms, with each type of bower particular to the species but also special to the individual male and his available resources.

There are three main types of bower architecture: a cleared area containing an “avenue” or domed tunnel of sticks, just wide enough for a bowerbird to pass through and sometimes painted with vegetable juices; a “display court” with large leaves laid upside down or tiled with rocks; and a “maypole,” which uses a sapling as a central tower, with an assortment of vegetation packed around the base, with or without a roof, sometimes many feet tall.

A male may spend a week to two months getting his bower in order, depending on whether he is refurbishing a previously used structure or building a new one. Some bowers built by male satin bowerbirds have been maintained for more than 30 years, and both males and female satin bowerbirds are known to live 20 to 30 years.

Avian artists. Once the bower is complete, the male adds decorative touches using everything and anything he can find and carry: seeds, pebbles, snail shells, berries, ferns, lichens, dead beetles, fresh flowers, spider webbing, bones, leaves, even bits of glass, cloth, plastic, aluminum foil, and other items discarded by humans.

Different species favor different colors. For example, the striped gardener bowerbird prefers yellow, red, and blue objects. The fawn-breasted bowerbird favors green. Some males also “paint” their walls with a mixture of charcoal dust and saliva or plant juices. The bird uses his beak or a bit of chewed bark as a paintbrush.

The male continuously defends his bower, rearranging baubles he has used to decorate the area, collecting fresh replacements, dabbing a little touch-up paint on the walls, and hovering over his masterpiece. When not inside his bower, the male may perch a few feet above it and watch for an eligible female or an intruding male that may try to destroy his bower. If a female is enticed by the architecture, she will visit the male, be entertained by a song or dance on his stage or court, and decide if he is worthy.

Bowers are not nests. After the male dances, sings, and grovels along the ground, seemingly begging a female to accept him, they mate, and the female usually leaves. If she lingers, the male may drive her out so he can tidy up his bower and prepare for the next song-and-dance routine used to attract yet another mate.

After mating, the female builds a cup-shaped nest in a higher, more secluded location in a bush or a tree hole. She builds the nest alone, also being solely responsible for laying eggs, incubating, and feeding the young. Laying a clutch of 1 to 3 eggs, depending on the species, she incubates them for 12 to 15 days. The eggs are strikingly marked by scribbly lines of brown, gray, purple, and black, as if an artist had dribbled ink on them. These patterns probably help to camouflage the eggs.

From hatch to fledge takes about three weeks, and most mother bowerbirds carry out all the nesting duties solo. The mother has no difficulty feeding herself and her offspring, possibly caring for them for two to three months before the young go off on their own. The white-eared, black-eared, and green catbird are different: the male helps feed the chicks.


There are challenges to bowerbirds, though their numbers are mostly stable. Potential reasons for their decline include predation by feral cats or red foxes, fragmentation and degradation of habitat by agriculture or grazing, and potential illegal shooting or poisoning, since occasionally they are seen as pests. Legislation currently protects bowerbirds and their habitats, while research, public awareness, and monitoring continue to ensure their stability.

By supporting San Diego Zoo Wildlife Alliance, you are our ally in saving and protecting wildlife worldwide.

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