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Pollinating birds differ in spectral sensitivity
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Biologiska sektionen, Institutionen för ekologi och evolution, Zooekologi. (Avian vision)
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Biologiska sektionen, Institutionen för fysiologi och utvecklingsbiologi, Evolutionär organismbiologi. (Avian vision)
2010 (engelsk)Inngår i: Journal of Comparative Physiology A. Sensory, neural, and behavioral physiology, ISSN 0340-7594, E-ISSN 1432-1351, Vol. 196, nr 2, s. 91-96Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Pollinating animals and their angiosperm hosts often show strong co-adaptation in traits that increase the likelihood of a successful transfer of pollen and nutrient rewards. One such adaptation is the reported colour difference caused by unequal distribution of anthocyanidin pigments amongst plant species visited by hummingbirds and passerines. This phenomenon has been suggested to reflect possible differences in the colour vision of these pollinating birds. The presence of any such difference in colour vision would arguably affect the ecological and evolutionary interactions between flowers and their visitors, accentuating differences in floral displays and attractiveness of plants to the favoured avian pollinators. We have tested for differences in colour vision, as indicated by the amino acid present at certain key positions in the short-wavelength-sensitive type 1 (SWS1) visual pigment opsin, between the major groups of pollinating birds: the non-passerine Trochilidae (hummingbirds), the passerine Meliphagidae (honeyeaters) and Nectariniidae (sunbirds) plus five other Passerida passerine families. The results reveal gross spectral sensitivity differences between hummingbirds and honeyeaters, on the one hand, and the Passerida species, on the other.

sted, utgiver, år, opplag, sider
2010. Vol. 196, nr 2, s. 91-96
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Forskningsprogram
Biologi med inriktning mot zooekologi; Biologi med inriktning mot evolutionär funktionsgenomik; Biologi med inriktning mot evolutionär organismbiologi; Biologi med inriktning mot systematik
Identifikatorer
URN: urn:nbn:se:uu:diva-120015DOI: 10.1007/s00359-009-0474-zISI: 000273853300001OAI: oai:DiVA.org:uu-120015DiVA, id: diva2:302174
Tilgjengelig fra: 2010-03-04 Laget: 2010-03-04 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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