Facial disc
Videos
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 tha
The barn owl, Tyto alba, has a prominent heart-shaped facial disc that aids it during hunting.
Figure 6 in the bottom right corner of this image is a head-on view of a Boreal Owl's skull, showing asymmetrical structures that direct the ear openings in different directions to assist in precise hearing.
Western barn owl
Videos
The western barn owl is a species of barn owl native to Europe, southwestern Asia, and Africa. It was formerly considered a subspecies group together with barn owls native to other parts of the world,
Facial disc
…facial ruff refers to feathers around the neck that are raised in response to noise, essentially enlarging the facial disc and improving hearing. The barn owl has the most visually prominent facial disc, measuring about 110 mm (Simmons), while the great grey owl has the largest disc of any bird. Because of…
Barn Owl, Lancashire
Barn owl in flight
In southwest Scotland
In the Netherlands