DEGRADATION OF GREAT TIT (PARUS MAJOR) SONG BEFORE AND AFTER FOLIATION
NON-BREEDING NAZCA BOOBIES (SULA GRANTI) SHOW SOCIAL AND SEXUAL INTEREST IN CHICKS
BEHAVIORAL EVIDENCE FOR THE CUTANEOUS EXPRESSION OF EMOTION IN A CHIMPANZEE (PAN TROGLODYTES)
SEX DIFFERENCES IN FEEDING BEHAVIOUR AT FEEDING STATION SCALE IN SOAY SHEEP (OVIS ARIES)
SOME MALES ARE CHOOSIER THAN OTHERS
SEX DIFFERENCES IN THE MATE SELECTION PROCESS OF THE MONOGAMOUS, BIPARENTAL CONVICT CICHLID, ARCHOCENTRUS NIGROFASCIATUM
MATE GUARDING CONFLICT, EXTRA-PAIR COURTSHIP AND SIGNALLING IN THE HARLEQUIN DUCK, HISTRIONICUS HISTRIONICUS