129107 Little Owl Athene noctua L 22cm. Our smallest owl. Has large-headed, short-tailed and overall dumpy silhouette. Partly diurnal and seen perched on fenceposts and dead branches. Sometimes bobs head and body when agitated. Sexes are similar. Adult has brown upperparts with whitish spots; pale underparts have dark streaks. Note yellow eyes. Juvenile is duller and lacks spots on head. Voice Calls include cat-like kiu, uttered repeatedly in early evening. Status Introduced from mainland Europe in 19th Century. Now widespread and fairly common in S Britain. Nests in tree holes and cavities in stone walls.