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The intensity threshold of colour vision in a passerine bird, the blue tit
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| Zeitschriftentitel: | Journal of Experimental Biology |
|---|---|
| Personen und Körperschaften: | , , , , , , |
| In: | Journal of Experimental Biology, 2014 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
The Company of Biologists
|
| Schlagwörter: |
| author_facet |
Gomez, Doris Grégoire, Arnaud Del Rey Granado, Maria Bassoul, Marine Degueldre, David Perret, Philippe Doutrelant, Claire Gomez, Doris Grégoire, Arnaud Del Rey Granado, Maria Bassoul, Marine Degueldre, David Perret, Philippe Doutrelant, Claire |
|---|---|
| author |
Gomez, Doris Grégoire, Arnaud Del Rey Granado, Maria Bassoul, Marine Degueldre, David Perret, Philippe Doutrelant, Claire |
| spellingShingle |
Gomez, Doris Grégoire, Arnaud Del Rey Granado, Maria Bassoul, Marine Degueldre, David Perret, Philippe Doutrelant, Claire Journal of Experimental Biology The intensity threshold of colour vision in a passerine bird, the blue tit Insect Science Molecular Biology Animal Science and Zoology Aquatic Science Physiology Ecology, Evolution, Behavior and Systematics |
| author_sort |
gomez, doris |
| spelling |
Gomez, Doris Grégoire, Arnaud Del Rey Granado, Maria Bassoul, Marine Degueldre, David Perret, Philippe Doutrelant, Claire 1477-9145 0022-0949 The Company of Biologists Insect Science Molecular Biology Animal Science and Zoology Aquatic Science Physiology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1242/jeb.107573 <jats:title>Abstract</jats:title> <jats:p>Many vertebrates use colour vision for vital behaviours. Yet, their visual performance in dim light is largely unknown. The light intensity threshold of colour vision is only known in humans, horses and two parrot species. Here, we first explore this threshold in a passerine bird, the blue tit (Cyanistes caeruleus). Using a classic conditioning of colour cues to food rewards in three individuals, we find a threshold ranging from 0.05 to 0.2 cd.m-2. Results are comparable to the two previously tested bird species. For tits, nest light conditions likely exceed that threshold, at least after sunrise. These first results shed new light on the lively debate questioning cavity-nesters visual performance, and the evolutionary significance of egg and chick coloration. Although this needs proper testing, it is possible that blue tits exploit both colour and brightness cues when viewing their eggs, chicks or conspecifics in their nests.</jats:p> The intensity threshold of colour vision in a passerine bird, the blue tit Journal of Experimental Biology |
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The intensity threshold of colour vision in a passerine bird, the blue tit |
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The intensity threshold of colour vision in a passerine bird, the blue tit |
| title_full |
The intensity threshold of colour vision in a passerine bird, the blue tit |
| title_fullStr |
The intensity threshold of colour vision in a passerine bird, the blue tit |
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The intensity threshold of colour vision in a passerine bird, the blue tit |
| title_short |
The intensity threshold of colour vision in a passerine bird, the blue tit |
| title_sort |
the intensity threshold of colour vision in a passerine bird, the blue tit |
| topic |
Insect Science Molecular Biology Animal Science and Zoology Aquatic Science Physiology Ecology, Evolution, Behavior and Systematics |
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http://dx.doi.org/10.1242/jeb.107573 |
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2014 |
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<jats:title>Abstract</jats:title>
<jats:p>Many vertebrates use colour vision for vital behaviours. Yet, their visual performance in dim light is largely unknown. The light intensity threshold of colour vision is only known in humans, horses and two parrot species. Here, we first explore this threshold in a passerine bird, the blue tit (Cyanistes caeruleus). Using a classic conditioning of colour cues to food rewards in three individuals, we find a threshold ranging from 0.05 to 0.2 cd.m-2. Results are comparable to the two previously tested bird species. For tits, nest light conditions likely exceed that threshold, at least after sunrise. These first results shed new light on the lively debate questioning cavity-nesters visual performance, and the evolutionary significance of egg and chick coloration. Although this needs proper testing, it is possible that blue tits exploit both colour and brightness cues when viewing their eggs, chicks or conspecifics in their nests.</jats:p> |
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| author | Gomez, Doris, Grégoire, Arnaud, Del Rey Granado, Maria, Bassoul, Marine, Degueldre, David, Perret, Philippe, Doutrelant, Claire |
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| description | <jats:title>Abstract</jats:title> <jats:p>Many vertebrates use colour vision for vital behaviours. Yet, their visual performance in dim light is largely unknown. The light intensity threshold of colour vision is only known in humans, horses and two parrot species. Here, we first explore this threshold in a passerine bird, the blue tit (Cyanistes caeruleus). Using a classic conditioning of colour cues to food rewards in three individuals, we find a threshold ranging from 0.05 to 0.2 cd.m-2. Results are comparable to the two previously tested bird species. For tits, nest light conditions likely exceed that threshold, at least after sunrise. These first results shed new light on the lively debate questioning cavity-nesters visual performance, and the evolutionary significance of egg and chick coloration. Although this needs proper testing, it is possible that blue tits exploit both colour and brightness cues when viewing their eggs, chicks or conspecifics in their nests.</jats:p> |
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| spelling | Gomez, Doris Grégoire, Arnaud Del Rey Granado, Maria Bassoul, Marine Degueldre, David Perret, Philippe Doutrelant, Claire 1477-9145 0022-0949 The Company of Biologists Insect Science Molecular Biology Animal Science and Zoology Aquatic Science Physiology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1242/jeb.107573 <jats:title>Abstract</jats:title> <jats:p>Many vertebrates use colour vision for vital behaviours. Yet, their visual performance in dim light is largely unknown. The light intensity threshold of colour vision is only known in humans, horses and two parrot species. Here, we first explore this threshold in a passerine bird, the blue tit (Cyanistes caeruleus). Using a classic conditioning of colour cues to food rewards in three individuals, we find a threshold ranging from 0.05 to 0.2 cd.m-2. Results are comparable to the two previously tested bird species. For tits, nest light conditions likely exceed that threshold, at least after sunrise. These first results shed new light on the lively debate questioning cavity-nesters visual performance, and the evolutionary significance of egg and chick coloration. Although this needs proper testing, it is possible that blue tits exploit both colour and brightness cues when viewing their eggs, chicks or conspecifics in their nests.</jats:p> The intensity threshold of colour vision in a passerine bird, the blue tit Journal of Experimental Biology |
| spellingShingle | Gomez, Doris, Grégoire, Arnaud, Del Rey Granado, Maria, Bassoul, Marine, Degueldre, David, Perret, Philippe, Doutrelant, Claire, Journal of Experimental Biology, The intensity threshold of colour vision in a passerine bird, the blue tit, Insect Science, Molecular Biology, Animal Science and Zoology, Aquatic Science, Physiology, Ecology, Evolution, Behavior and Systematics |
| title | The intensity threshold of colour vision in a passerine bird, the blue tit |
| title_full | The intensity threshold of colour vision in a passerine bird, the blue tit |
| title_fullStr | The intensity threshold of colour vision in a passerine bird, the blue tit |
| title_full_unstemmed | The intensity threshold of colour vision in a passerine bird, the blue tit |
| title_short | The intensity threshold of colour vision in a passerine bird, the blue tit |
| title_sort | the intensity threshold of colour vision in a passerine bird, the blue tit |
| title_unstemmed | The intensity threshold of colour vision in a passerine bird, the blue tit |
| topic | Insect Science, Molecular Biology, Animal Science and Zoology, Aquatic Science, Physiology, Ecology, Evolution, Behavior and Systematics |
| url | http://dx.doi.org/10.1242/jeb.107573 |