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首页> 外文期刊>The wilson journal of ornithology >BREEDING BIOLOGY OF AN ENDEMIC BORNEAN TURDID, THE FRUITHUNTER (CHLAMYDOCHAERA JEFFERYI), AND LIFE HISTORY COMPARISONS WITH TURDUS SPECIES OF THE WORLD
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BREEDING BIOLOGY OF AN ENDEMIC BORNEAN TURDID, THE FRUITHUNTER (CHLAMYDOCHAERA JEFFERYI), AND LIFE HISTORY COMPARISONS WITH TURDUS SPECIES OF THE WORLD

机译：地方性伯南德RD鱼，弗氏飞蛾（CHEMIDYDOCHAERA JEFFERYI）的繁殖生物学以及与世界鱼种的生活史比较

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摘要

We present the first description of the breeding biology for the Fruithunter (Chlamydochaera jefferyi). a member of the cosmopolitan family Turdidae, and a montane endemic to the tropical Asian island of Borneo. We also compile breeding biology traits from the literature to make comparisons between the Fruithunter and the thrush genus Tardus. Our comparisons indicate that Fruithunters exhibit a slower life history strategy than both tropical and north temperate Turdus. We located and monitored 42 nests in 7 years in Kinabalu Park, Sabah, Malaysia. The mean clutch size was 1.89 ± 0.08 eggs, and the modal clutch size was 2 eggs. Mean fresh egg mass was 6.15 ± 0.13 g. representing 9.5% of adult female body mass. Average lengths of incubation and nestling periods were 14.56 ± 0.24 and 17.83 ±0.31 days respectively. Only the female incubated and brooded the eggs and nestlings, but both the male and female fed nestlings. Female attentiveness during incubation was high throughout, reaching an asymptote around 85% with average on-bouts of 39.0 ± 2.5 mins. The daily nest survival probability was 0.951 ± 0.025, and the daily predation rate was 0.045 ± 0.024. Female feeding rate increased as brooding effort decreased, suggesting that female feeding rate may be constrained by the need to provide heat while nestlings arc unable to thermoregulate. This contrasts with the feeding behavior of males, which showed much less of an increase across the nestling period. Furthermore, we describe a new vocalization which expands the vocal repertoire for Fruithunters, and we provide a brief audio clip and spectrogram.
机译：我们提出了对Fruithunter（Chlamydochaera jefferyi）育种生物学的首次描述。是世界大家庭Turdidae的成员，也是热带亚洲婆罗洲的特有山地风情。我们还从文献中汇编了育种生物学特性，以对Fruithunter和鹅口疮属Tardus进行比较。我们的比较表明，Fruithunters的生活史策略要比热带和北部温带的Turdus慢。我们在7年内在马来西亚沙巴的Kinabalu公园找到并监控了42个巢穴。离合器的平均大小为1.89±0.08鸡蛋，模态离合器的大小为2鸡蛋。新鲜鸡蛋平均质量为6.15±0.13 g。占成年女性体重的9.5％。平均潜伏期和孵化期分别为14.56±0.24和17.83±0.31天。只有雌性孵化并孵化卵和雏鸟，但雌雄都喂食雏鸟。整个孵化过程中，女性的注意力都很高，渐近线达到85％左右，平均开合时间为39.0±2.5分钟。日巢生存概率为0.951±0.025，日捕食率为0.045±0.024。随着育雏努力的减少，雌性摄食率增加，这表明雌性摄食率可能受需要提供热量的约束，而雏鸟无法调节体温。这与雄性的进食行为形成对比，后者在整个雏鸟期的进食量要少得多。此外，我们描述了一种新的发声方式，它扩展了Fruithunters的声乐库，并提供了一个简短的音频剪辑和声谱图。

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