ocr: UNUSUAL CALLS Throughout Europe, the sound of the cuckoo signals the arrival of spring. The loud, far-carrying, and repeated call of the male gives this species its name. Although the call typically features just two notes, it sometimes gains an extra syllable. BLUE BIRD OF PARADISE a LAUGHING LITTLE KOOKABURRA WATTLEBIRD EURASIAN EURASIAN CUCKOO NIGHTJAR EURASIAN e MONTEZUMA'S BITTERN OROPENDOLA % & 880 - 8090 - d 80 - > 380 6 88 e - - e 8 6 0 - - a * - 0e X - e
