154225 Slavonian Grebe - Podiceps auritus - winter plumage. L 31-38cm. Buoyant little waterbird with beady red eye. Flattish crown and white-tipped, even-shaped bill (both mandibles are curved) allow separation from Black-necked. White patches on both leading and trailing edges of wings are seen in flight. Sexes are similar. Adult has reddish orange neck and flanks. Back is black and black head has golden-yellow plumes. In winter, has black upperparts and white underparts with clear demarcation between black cap and white cheeks. Juvenile is similar to winter adult. Voice Utters trills and squeals at nest. Status Scarce winter visitor to sheltered coastal waters. Rare breeding bird in Scotland, on shallow lochs with abundant sedges.