European starling (Sturnus vulgaris)

Containing taxa: Animalia » Chordata » Osteichthyes » Sarcopterygii » Tetrapoda » Diapsida » Archosauria » Aves » Neoaves » Passeriformes » Sturnidae

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Red cone563nm573nm596nm607nm
Double cone563nm439nm476nm563nm
Green cone504nm515nm536nm546nm
Rod503nm503nm
Blue cone449nm399nm418nm450nm
Vio/UV cone366nm370nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Double cone   Photopic
Luminance (scotopic)
Rod   Scotopic
Orange-Green
607nm - 592nm - 546nm
 
Red cone Green cone Photopic
Green-Blue
546nm - 530nm - 450nm
 
Green cone
Red cone
Blue cone Photopic
Blue-UV
451nm - 416nm - 370nm
 
Blue cone Vio/UV cone Photopic

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Notes and References:

Hart, N. S. (2001) The Visual Ecology of Avian Photoreceptors. Progress in Retinal and Eye Research Vol. 20, No. 5, pp. 675 to 703, 2001

Hart, N.S., Partridge, J.C., Cuthill, I.C. (1998) Visual Pigments, Oil Droplets, and Cone Photoreceptor Distribution in the European Starling (Sturnus vulgaris). Journal of Experimental Biology 201, 1433-1446 (1998)

Osorio D., Vorobyev M., Jones C.D. (1999) COLOUR VISION OF DOMESTIC CHICKS. Journal of Experimental Biology 202, 2951-2959

Lind O., Mitkus M., Olsson P., Kelber A. (2013) Ultraviolet vision in birds: the importance of transparent eye media. Proc. R. Soc. B 281: 20132209. doi:10.1098/rspb.2013.2209

Ghim MM, Hodos W (2006) Spatial contrast sensitivity of birds. J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 192(5):523-34. doi:10.1007/s00359-005-0090-5

Warrant E.J., Nilsson D.-E. (1998) Absorption of White Light in Photoreceptors. Vision Res., Vol. 38, No. 2, pp. 195-207. PII: S0042-6989(97)00151-X

Stavenga D., Smits R.P., Hoenders B.J. (1993) Simple Exponential Functions Describing the Absorbance Bands of Visual Pigment Spectra. Vision Res. 33(8) pp. 1011-1017. doi:10.1016/0042-6989(93)90237-Q



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