facial disc
noun1
Biology, Natural sciences, Ornithology A concave collection of feathers on the face of some birds, notably owls, surrounding the eyes.
noun
Biology, Natural sciences, Ornithology A concave collection of feathers on the face of some birds, notably owls, surrounding the eyes.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
Do you accept non-essential analytics cookies?