135704 Barn Owl Tyto alba L 34-38cm. Mainly nocturnal but sometimes hunts from late afternoon onwards. Feeds mainly on grassland small mammals. Flight is leisurely and slow on rounded wings. Responds well to nestbox schemes. Sexes are similar. Adult and juvenile have orange-buff upperparts speckled with tiny black and white dots. Facial disc is heart-shaped and white. In flight, underwings pure white. Voice Utters blood-curdling at night. Status Vulnerable and generally scarce resident species.