Bird fruit preferences match the frequency of fruit colours in tropical Asia.

Bird fruit preferences match the frequency of fruit colours in tropical Asia.
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鸟类对水果的偏好与热带亚洲水果颜色的频率相匹配

DOI:
10.1038/srep05627
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发表时间:
2014-07-17
期刊:
影响因子:
4.6
通讯作者:
Quan RC
Quan RC
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Duan Q;Goodale E;Quan RC

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虽然许多因素可以解释肉质水果的颜色,但人们认为黑色和红色水果很常见,部分原因是食果鸟类更喜欢这些颜色。我们在亚洲热带实地考察了这一仍然存在争议的假设,使用了人造水果、新鲜水果、四种野生捕获的常住食果鸟类和来自三种相同物种的人工饲养的幼鸟。我们证明,所有鸟类都比黄色、蓝色、黑色和绿色更喜欢红色人造水果,尽管随后发现人造黑色的光谱反射率与人造蓝色相似。野生捕获的鸟类更喜欢黑色和红色的肉质天然水果,而人工饲养的幼鸟则更喜欢黑色而不是红色的天然肉质水果以及其他颜色的水果。所有鸟类都避开人造和自然成熟的绿色水果。颜色选择的个体间差异很小,而且偏好随着时间的推移保持不变,这支持了这样的假设:鸟类颜色偏好是推动热带亚洲水果颜色进化的一个因素。
While many factors explain the colour of fleshy fruits, it is thought that black and red fruits are common in part because frugivorous birds prefer these colours. We examined this still controversial hypothesis at a tropical Asian field site, using artificial fruits, fresh fruits, four wild-caught resident frugivorous bird species and hand-raised naïve birds from three of the same species. We demonstrate that all birds favored red artificial fruits more than yellow, blue, black and green, although the artificial black colour was found subsequently to be similar to the artificial blue colour in its spectral reflectance. Wild-caught birds preferred both black and red fleshy natural fruits, whereas hand-raised naïve birds preferred black to red natural fleshy fruits and to those of other colours. All birds avoided artificial and naturally ripe green fruits. The inter-individual variation in colour choice was low and the preferences were constant over time, supporting the hypothesis that bird colour preferences are a contributing factor driving fruit colour evolution in tropical Asia.
鸟类散布植物群落的叶色对比和适应性果实颜色变化
DOI: 10.1034/j.1600-0706.2002.960308.x
发表时间: 2002-03-01
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影响因子: 3.4
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DOI: 10.1093/beheco/arl011
发表时间: 2006-09-01
期刊: BEHAVIORAL ECOLOGY
影响因子: 2.4
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DOI: 10.2307/1369858
发表时间: 1996-11-01
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影响因子: 3.1
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DOI: 10.1098/rsbl.2004.0191
发表时间: 2004-08-07
影响因子: 4.7
作者:
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通讯作者: Schmidt, V