Barn owl (Tyto alba)

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

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Predominant cone555nm475nm512nm561nm
Rod500nm  500nm
Blue cone463nm408nm440nm469nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Predominant cone   Photopic
Luminance (scotopic)
Rod   Scotopic
Lime-Blue
563nm - 514nm - 467nm
 
Predominant cone Blue cone Photopic

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Notes and References:

NOTE: Use caution with these data, as microspectrophotometry for this species is unavailable.

Wu Y., Hadly E.A., Teng W., Hao Y., Liang W., Liu Y., Wang H. (2016) Retinal transcriptome sequencing sheds light on the adaptation to nocturnal and diurnal lifestyles in raptors. Scientific Reports 6, Article number: 33578 (2016) doi:10.1038/srep33578

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.