Sparrowhawk (Accipiter nisus)

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

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Red cone567nm530nm600nm610nm
Double cone567nm408nm445nm567nm
Green cone504nm475nm535nm544nm
Rod500nm  500nm
Blue cone449nm408nm440nm461nm
Vio/UV cone405nm  409nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Double cone   Photopic
Luminance (scotopic)
Rod   Scotopic
Red-Green
611nm - 585nm - 544nm
 
Red cone Green cone Photopic
Green-Blue
545nm - 520nm - 461nm
 
Green cone
Red cone
Blue cone Photopic
Blue-UV
466nm - 439nm - 409nm
 
Blue cone Vio/UV cone Photopic

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Notes and References:

Lind O., Mitkus M., Olsson P., Kelber A. (2013) Ultraviolet sensitivity and colour vision in raptor foraging. The Journal of Experimental Biology 216, 1819-1826. doi:10.1242/jeb.082834

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



Note: Many species may have gaps in available data, which may be filled in with extrapolations from closely related species. The AVIAN website is copyright © 2011-2024 J. Gagnon. All rights reserved unless otherwise specified.