sentence: Owls have massive eyes relative to their body size.
sentences_before: Because of this the plumage is not much different between males and females. The feathers are soft and the base of each is downy. This give them silent flight. Hearing in owls is highly sensitive. The ears are asymmetrical which lets the owl localise a sound.
concept_name: owl
headings: True owl Morphology
categories: Strigiformes