DEGRADATION OF WHITETHROAT VOCALISATIONS
SOCIAL INTERACTIONS DURING DEVELOPMENT IN THE OVOVIVIPAROUS COCKROACH SCHULTESIA LAMPYRIDIFORMIS
INFLUENCE OF BACKGROUND AND PREY ORIENTATION ON AN AMBUSHING PREDATOR'S DECISIONS
SEX RECOGNITION IN SURFACE AND CAVE DWELLING MALE ATLANTIC MOLLIES POECILIA MEXICANA (POECILIIDAE, TELEOSTEI)
SOCIAL RELATIONSHIPS IN A GROUP OF HORSES WITHOUT A MATURE STALLION
TEMPORAL DYNAMICS & COMMUNICATION OF WINNER-EFFECTS IN THE CRAYFISH, ORCONECTES RUSTICUS