Birdsong Birds Acoustics Egg Yolk Maternal care Oiseau Electrophysiology Émotivité Aggression Nonparametric Testosterone Female Vocal communication Attachment Male Maternal effects Pardosa saltans Social Environment Stress chronique Animal behavior Tonic Yolk hormones Synchronization Japanese quail Lycosid Caille japonaise Maternal behavior Ultradian rhythm Behavior Comportement maternel Stress Biochemistry Behavioural development Behaviour Starling Sex Factors Immobility Response Sex differences Social motivation Bird Coturnix Songbirds Neurons Fear Spatial behaviour Maternal influence Arácnidos Biochemical status Auditory perception Animal Exploratory Behavior Auditory processing Rythme circadien Prenatal stress Motor Activity Arachnids Corticosterone Animal welfare Newborn Social behaviour BIEN-ETRE ANIMAL Anesthesia European starling Body Weight Circadian rhythm Coturnix japonica Androgens Brain plasticity Chronic stress Maternal behaviour Androstenedione Attention Adoption Lateralization Adaptation Statistics Operant conditioning Age Factors Selection Comportement Coturnix coturnix japonica European quail Animals Adult plasticity HVC Reproduction Feeding activity Bird song Vocalization Starlings Precocial bird Ontogenèse Song system Auditory Perception Influences maternelles Quail European Starlings Progesterone Genetic Animal tracking