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Bowerbirds /ËbaÊÉrbÉrd/ make up the bird family Ptilonorhynchidae. They are renowned for their unique courtship behaviour, where males build a structure and decorate it with sticks and brightly coloured objects in an attempt to attract a mate.The family has 20 species in eight genera.he Ailuroedus catbirds are monogamous, with males raising chicks with their partner, but all other bowerbirds are polygynous, with the female building the nest and raising the young alone. These latter species are commonly dimorphic, with the female being more drab in color.
The best way to find a hummer nest is to wait for the female to lead you to it. This may not work, however, since the nest can be up to 1.5km or more from a good feeding area. Among Ruby-throated Hummingbirds, nests may be in hardwoods or evergreens from about one to 20 meters (three to 60 feet) from the ground.Often they are situated in the crotch of in an outer, down-turned branch overhanging water, but there are many exceptions. Hummingbird nests are fairly fragile and usually do not last through the winter--especially in locations where there is heavy snowfall. 2  It is not uncommon, however, for a female Ruby-throated Hummingbird to use the same tree--even the same branch--in successive years.