我們的公司名稱會取樂遊鳥數位,主要的原因是我們是一群非常愛鳥的人,跟鳥玩樂與相處,熟到跟鳥在日常生活中,
會吵架,會體諒,基本上,我們並沒有把鳥當成動物看待,根本就是把他門當成我們的夥伴

近期與鳥相關的藝術家互動,結合了所有跟鳥有關的話題,這是一個沒有商業利益的一場活動,但我們忙的津津樂道,
因為整合了這些,就好像讓樂遊鳥數位跟鳥的緣份拉得更近,其中有個合作者在南投,雖然距離感覺很遠,
但我知道我們在聊得過程中,我們的心很靠近。其中配合的藝術家與作家,也ㄧ同努力製作跟鳥相關的藝品與文章,
大家忙的不過就是希望能為鳥與保育多盡一份力

樂遊鳥數位也與台灣的鳥會與國際的鳥會進行了聯繫,這次相關的系列活動,我們都會將所有的收益捐助給這些系列的協會,
至少我們希望樂遊鳥數位不是一個只想到利益的公司,希望能夠透過這次的拋磚引玉
讓我們知道儘管樂遊鳥再渺小,我們也不會輕看每一次的協助,至少我們應該跟志工看齊,
最終,我們非常感謝願意配合與協助的廠商以及相關專業人士,讓我們知道,其實我們ㄧ點都不孤單

The satin bowerbird (Ptilonorhynchus violaceus)
Camera: Canon EOS 7d, shutter speed: 1/250 s, focal length: 185 mm, aperture: f 14/5, ISO / flash: 640.

YOYOBird ‧ 鳥圖鑑欣賞
The satin bowerbird (Ptilonorhynchus violaceus)
Camera: Canon EOS 7d, shutter speed: 1/250 s, focal length: 185 mm, aperture: f 14/5, ISO / flash: 640.

Satin bower bird

Description

References: wikipedia
Mature males have violet-blue eyes and are uniformly coloured black, however, light diffraction by the surface texture of the feathers results in an almost metallic sheen giving a deep shiny blue appearance. Immature males are coloured and marked the same as females and are often mistaken for them.
Females might be mistaken for the green catbird or spotted catbird with distinctively green/brown or otherwise entirely brown upper body and lighter under body with a distinct reticulated or scalloped pattern, but with very striking blue eyes.

Distribution

The satin bowerbird is common in rainforest and tall wet sclerophyll forest in eastern Australia from southern Queensland to Victoria. There is also an isolated population in the Wet Tropics of north Queensland.

Diet

Like all Ptilonorhynchidae, satin bowerbirds are predominantly frugivorous as adults, though they also eat leaves and a small amount of seeds and insects. As nestlings, however, they are largely fed on beetles, grasshoppers and cicadas until they can fly.

Satin bowerbirds are not in the least finicky in their food preferences, and have taken extremely readily to the numerous plants introduced since European settlement. Indeed, they are a major dispersal agent for a number of weedy plants, such as camphor laurel, the European olive and various species of privet. They are also often persecuted by horticulturalists because they frequently raid fruit and vegetable crops. Satin bowerbirds are aggressive when foraging, frequently attempting to displace other birds from fruit trees.

Courtship

Like all bowerbirds, the satin bowerbird shows highly complex courtship behaviour. Mate choice in satin bowerbirds has been studied in detail by a group of researchers at the University of Maryland, College Park.[7] Males build specialized stick structures, called bowers, which they decorate with blue, yellow, and shiny objects if these are available, including berries, flowers, and even ballpoint pens, drinking straws and other discarded plastic items like clothes pegs. As the males mature they use more blue objects than other colours. Females visit these and choose which male they will allow to mate with them. In addition to building their bowers, males carry out intense behavioural displays called dances to woo their mates, but these can be treated as threat displays by the females. Nestbuilding and incubation are carried out by the females alone.

File:Satin Bowerbird cunninghams.ogg
Courtship at Cunninghams Gap in south-east Queensland
Recent research has shown that female mate choice takes place in three stages:

Visits to the bowers, before nests have been built, while the males are absent
Visits to the bowers, before nests have been built, while the males are present and displaying
Visits to a selection of the bowers, after nests have been built, leading to copulation with (typically) a single male.
Experimental manipulations of the ornaments around the bowers have shown that the choices of young females (those in their first or second year of breeding) are mainly influenced by the appearance of the bowers, and hence by the first stage of this process. Older females, which are less affected by the threatening aspect of the males’ displays, make their choices more on the basis of the males’ dancing displays. It has been hypothesized that as males mature their colour discrimination develops and they are able to select more blue objects for the bower. It is not yet known whether this description would also hold true for other species of bowerbird.

Nesting and life cycle

Satin bowerbirds nest between October and February. Typically two eggs but occasionally one or three are laid in a shallow nest of twigs on top of which are placed leaves of Eucalyptus or Acacia. These leaves turn brown as the eggs are laid, and may serve as camouflage. The eggs are cream but streaked with brown, and are much larger than typical for a bird of its size at around 19 grams (0.67 oz); they are laid every other day and hatch asynchronously after 21 days of incubation.

The young are able to fly three weeks after hatching, but remain dependent on the female for another two months, finally dispersing at the beginning of the southern winter (May or June).

Female satin bowerbirds mature at two to three years but males do not reach maturity until seven or eight years when they have moulted completely into their characteristic blue-black adult plumage. The satin bowerbird is the longest-lived passerine with anything approaching high-quality banding data: it is estimated that the average lifespan of the species is around eight or nine years, whilst the record longevity in the wild of twenty-six years is the greatest for any banded passerine.

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圖:YOYOBird攝 感謝作家:李佩芝/Peggy Lee

學術經歷:
國立台灣大學社會學系畢業
美國爵碩大學
Drexel university MBA international business program畢業
New York Fashion institute of art museum study: fashion and textile program
研究1年
興趣:研究塔羅 占星 藝術史 詩 設計史 紡織史

Peggy Lee 作品

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