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Weka are important in the bush as seed dispersers, distributing seeds too large for smaller berry-eating birds. [20] Where the weka is relatively common, their furtive curiosity leads them to search around houses and camps for food scraps, or anything unfamiliar and transportable. [6] They have been known to take shiny objects in particular. [21]
Relatedly, flight calls are vocalizations made by birds while flying, which often serve to keep flocks together. [69] These calls are also used for when birds want to alert others that they are taking flight. [70] Many birds engage in duet calls—a call made by two birds at or nearly at the same time. In some cases, the duets are so perfectly ...
The male has a mainly yellow face and breast, with a neat black cap. Female and young birds have a greyish green head and no cap. It is a trusting, sociable and active bird. The song of this bird is a pleasant mix of twitters and trills. These birds have an unusual migration pattern as every few years in winter they migrate southwards in large ...
The bird was once on the endangered species list, but conservation efforts led to it being taken off in 2007. This article originally appeared on USA TODAY: Bald eagle officially recognized as ...
One theory is that they hoard shiny objects to impress other ravens. [103] Other research indicates that juveniles are deeply curious about all new things, and that common ravens retain an attraction to bright, round objects based on their similarity to bird eggs. Mature birds lose their intense interest in the unusual, and become highly neophobic.
In some species the lining consists of small woody objects such as bark flakes and seed husks, while in others it includes the moss, grass, hair and feathers typical of passerine birds. [ 15 ] [ 35 ] Members of the red-breasted nuthatch superspecies excavate their own tree holes, although most other nuthatches use natural holes or old ...
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct. Contents
Like all bowerbirds, the satin bowerbird shows highly complex courtship behaviour. Mate choice in satin bowerbirds has been studied in detail. [ 7 ] Males build specialised stick structures, called bowers, which they decorate with blue, yellow, and shiny objects, including berries, flowers, snail shells, and plastic items such as ballpoint pens ...