Visual fields and foraging in procellariiform seabirds: sensory aspects of dietary segregation.

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Visual fields and foraging in procellariiform seabirds: sensory aspects of dietary segregation. / Martin, Graham; Prince, PA.

In: Brain, Behavior and Evolution, Vol. 57, No. 1, 01.01.2001, p. 33-8.

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@article{d4c7234a438746729fae72000c7970cc,
title = "Visual fields and foraging in procellariiform seabirds: sensory aspects of dietary segregation.",
abstract = "Retinal visual fields were determined using an ophthalmoscopic reflex technique in two seabird species of the family Procellariidae: white-chinned petrel Procellaria aequinoctialis and antarctic prion Pachyptila desolata. The binocular fields of both species show a similar shape but they differ in size and in the position of the bill within the field. In white-chinned petrels the binocular field extends vertically through approximately 140 degrees and has a maximum width of approximately 40 degrees. The bill is placed approximately central within the field. The binocular field of the prions is approximately half this width and vertical extent, and the bill is placed close to the ventral edge. These differences in binocular field topography can be correlated with the different foraging techniques that these birds employ when seeking a similar diet within the same environment. White-chinned petrels pursue individual items both at the surface and while diving to moderate depths. Antarctic prions feed primarily by filtering items from surface waters. These differences in visual field topography mirror those found in different terrestrial bird species that primarily employ visual or tactile cues in the pursuit of food items. White-chinned petrel eyes and visual fields show features of an amphibious optical design similar to those found in penguins and albatrosses.",
keywords = "aves, prion, ecological segregation, vision, foraging, petrel, visual fields, procellariiformes, birds, eye",
author = "Graham Martin and PA Prince",
year = "2001",
month = jan,
day = "1",
language = "English",
volume = "57",
pages = "33--8",
journal = "Brain, Behavior and Evolution",
issn = "0006-8977",
publisher = "Karger",
number = "1",

}

RIS

TY - JOUR

T1 - Visual fields and foraging in procellariiform seabirds: sensory aspects of dietary segregation.

AU - Martin, Graham

AU - Prince, PA

PY - 2001/1/1

Y1 - 2001/1/1

N2 - Retinal visual fields were determined using an ophthalmoscopic reflex technique in two seabird species of the family Procellariidae: white-chinned petrel Procellaria aequinoctialis and antarctic prion Pachyptila desolata. The binocular fields of both species show a similar shape but they differ in size and in the position of the bill within the field. In white-chinned petrels the binocular field extends vertically through approximately 140 degrees and has a maximum width of approximately 40 degrees. The bill is placed approximately central within the field. The binocular field of the prions is approximately half this width and vertical extent, and the bill is placed close to the ventral edge. These differences in binocular field topography can be correlated with the different foraging techniques that these birds employ when seeking a similar diet within the same environment. White-chinned petrels pursue individual items both at the surface and while diving to moderate depths. Antarctic prions feed primarily by filtering items from surface waters. These differences in visual field topography mirror those found in different terrestrial bird species that primarily employ visual or tactile cues in the pursuit of food items. White-chinned petrel eyes and visual fields show features of an amphibious optical design similar to those found in penguins and albatrosses.

AB - Retinal visual fields were determined using an ophthalmoscopic reflex technique in two seabird species of the family Procellariidae: white-chinned petrel Procellaria aequinoctialis and antarctic prion Pachyptila desolata. The binocular fields of both species show a similar shape but they differ in size and in the position of the bill within the field. In white-chinned petrels the binocular field extends vertically through approximately 140 degrees and has a maximum width of approximately 40 degrees. The bill is placed approximately central within the field. The binocular field of the prions is approximately half this width and vertical extent, and the bill is placed close to the ventral edge. These differences in binocular field topography can be correlated with the different foraging techniques that these birds employ when seeking a similar diet within the same environment. White-chinned petrels pursue individual items both at the surface and while diving to moderate depths. Antarctic prions feed primarily by filtering items from surface waters. These differences in visual field topography mirror those found in different terrestrial bird species that primarily employ visual or tactile cues in the pursuit of food items. White-chinned petrel eyes and visual fields show features of an amphibious optical design similar to those found in penguins and albatrosses.

KW - aves

KW - prion

KW - ecological segregation

KW - vision

KW - foraging

KW - petrel

KW - visual fields

KW - procellariiformes

KW - birds

KW - eye

M3 - Article

C2 - 11359046

VL - 57

SP - 33

EP - 38

JO - Brain, Behavior and Evolution

JF - Brain, Behavior and Evolution

SN - 0006-8977

IS - 1

ER -