Alarm calls 4 Aves 4 Communication 4 Troglodytes 4 Troglodytes musculus 4 songbird 4 Acoustic signal 2 Begging 2 Nesting cycle 2 Predation risk 2 alarm signal 2 antipredator defense 2 begging behavior 2 bioacoustics 2 calling behavior 2 communication 2 nesting 2 nestling 2 predation risk 2 vocalization 2 ALARM CALLS 1 ATHENE CUNICULARIA 1 BEHAVIOR 1 COMPORTAMIENTO 1 PREDATION RISK 1 RIESGO DE DEPREDACION 1 VANELLUS CHILENSIS 1 VOCALIZACIONES DE ALARMA 1