Facial disc
id:
facial-disc-169-16163778
title:
Facial disc
text:
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 owl's ears. The feathers making up this disc can be adjusted by the bird to alter the focal length of this sound collector, enabling the bird to focus at different distances and allowing it to locate prey by sound alone under snow, grass, an
brand slug:
wiki
category slug:
encyclopedia
description:
A concave collection of feathers surrounding the eyes of some birds, most notably owls
original url:
https://en.wikipedia.org/wiki/Facial_disc
date created:
2009-01-08T06:37:49Z
date modified:
2024-08-31T18:08:12Z
main entity:
{"identifier":"Q963324","url":"https://www.wikidata.org/entity/Q963324"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/3/3e/Tyto_alba_close_up.jpg","width":1652,"height":1852}
fields total:
13
integrity:
16