Trichromatic perception of flower colour improves resource detection among New World monkeys.
Trichromatic perception of flower colour improves resource detection among New World monkeys.
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DOI：
10.1038/s41598-018-28997-4
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发表时间：
2018-07-18
影响因子：
4.6
通讯作者：
Melin AD
中科院分区：
文献类型：
--
作者：
Hogan JD;Fedigan LM;Hiramatsu C;Kawamura S;Melin AD
许多植物利用颜色来吸引传粉者，传粉者通常具有非常适合探测花朵的颜色视觉系统。然而，分离颜色的作用是困难的，因为花也产生其他的线索。具有多态色觉的新热带灵长类动物对色彩的研究为直接研究颜色的重要性提供了机会。在这里，我们确定在野生二色和三色白面卷尾猴（Cebus capucinus imitator）混合种群中，颜色视觉的差异是否影响花的觅食行为。我们收集了花类食物的反射数据，并将它们的颜色特性与卷尾猴的色觉表型建立了模型。我们收集了历时4年的22个月的行为数据，根据粪便DNA中L/M视蛋白基因的氨基酸变化确定了每只猴子的色觉表型，并比较了二色视者和三色视者的觅食行为。大多数花对三色视者更明显，三色视者在小块花中觅食的频率明显更高。这些数据表明，野生灵长类动物觅食模式的差异基于色觉差异，支持了三色视觉增强对小型、短暂资源的检测的假设。这种优势可能也延伸到其他食物，可能有助于维持新热带猴子的色觉多态性。
Many plants use colour to attract pollinators, which often possess colour vision systems well-suited for detecting flowers. Yet, to isolate the role of colour is difficult, as flowers also produce other cues. The study of florivory by Neotropical primates possessing polymorphic colour vision provides an opportunity to investigate the importance of colour directly. Here we determine whether differences in colour vision within a mixed population of wild dichromatic and trichromatic white-faced capuchins (Cebus capucinus imitator) affect flower foraging behaviours. We collected reflectance data for flower foods and modelled their chromatic properties to capuchin colour vision phenotypes. We collected behavioural data over 22 months spanning four years, determined the colour vision phenotype of each monkey based on amino acid variation of the L/M opsin gene from fecal DNA, and compared foraging behaviours of dichromats and trichromats. Most flowers were more conspicuous to trichromats, and trichromats foraged in small flower patches significantly more often. These data demonstrate a difference in wild primate foraging patterns based on colour vision differences, supporting the hypothesis that trichromacy enhances detection of small, ephemeral resources. This advantage, which may also extend to other foods, likely contributes to the maintenance of colour vision polymorphism in Neotropical monkeys.
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影响因子：
3.7
作者：
Clutton-Brock, Tim;Janson, Charles
通讯作者：
Janson, Charles
影响因子：
2.8
作者：
Lunau, Klaus;Papiorek, Sarah;Sazima, Marlies
通讯作者：
Sazima, Marlies
DOI：
10.1007/bf00188925
发表时间：
1992-09-01
影响因子：
2.1
作者：
CHITTKA, L;MENZEL, R
通讯作者：
MENZEL, R
DOI：
10.1111/j.1469-185x.1940.tb00940.x
发表时间：
1940-01-01
影响因子：
--
作者：
Lawrence, WJC;Price, JR
通讯作者：
Price, JR
影响因子：
2.5
作者：
Di Bitetti, MS;Janson, CH
通讯作者：
Janson, CH