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Facial disc

In ornithology, the facial disc is the concave collection of feathers on the face of some birds—most notably owls—surrounding the eyes. The concavity of the facial disc forms a circular paraboloid that collects sound waves and directs those waves towards the bird's ears. The feathers making up this disc can be adjusted by the bird to alter the focal…

Evolution of facial disc anatomy & Overview

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Evolution of facial disc anatomy

TytoPhodilusTytonidaeBuboStrix
13 related topics

Overview

OrnithologyFeathersBirdsOwlsCircular paraboloid
15 related topics

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Overview

Evolution of facial disc anatomy

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Map overview Semantic statistics

Facial disc

Nodes31
Edges30
Triples28
Avg. degree1.94
Density0.064516
Components1

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Facial disc

Top relations

related to In owls · 16
Facial disc → Aegolius, All, Asio, Bubo, Facial, Factors, Furthermore, In, Phodilus, Specifically, Strigidae, Strigiformes, Strix, The, Tyto, Tytonidae
related to In harriers · 11
Facial disc → Circus, European, Harriers, In, It, Larger, Like, Montagu's, The, This, While
is a · 1
Facial disc → concave collection of feathers on the face of some birds

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Important terminology

facial disc feathers owls harriers ear sound owl discs barn ears evolution also prey species hearing may bird evolved ruff

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Facial discis aconcave collection of feathers on the face of some birds0.90text
Facial discrelated to In harriersHarriers0.60section
Facial discrelated to In harriersCircus0.60section
Facial discrelated to In harriersLike0.60section
Facial discrelated to In harriersWhile0.60section
Facial discrelated to In harriersThis0.60section
Facial discrelated to In harriersThe0.60section
Facial discrelated to In harriersIn0.60section
Facial discrelated to In harriersIt0.60section
Facial discrelated to In harriersLarger0.60section
Facial discrelated to In harriersEuropean0.60section
Facial discrelated to In harriersMontagu's0.60section

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    Min side: 3
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