Xenopholis undulatus

Yawning is contagious in humans and some non-human primates. If there are social functions to contagious behaviors, such as… Expand

Methylmercury (MeHg), the organic form of mercury, bioaccumulates easily through the food chain. Fish in high trophic levels can… Expand

Distance or contact calls of 6 unrelated adult male budgerigars (Melopsittacus undulatus) were recorded before and during 8 weeks… Expand

Kinematic and electromyographic data were collected from budgerigars (parakeets), Melopsittacus undulatus, flying at different… Expand

Fourteen adult budgerigars (Melopsittacus undulatus) were anesthetized with a combination of ketamine hydrochloride (40 mg/kg… Expand

Discrimination of natural, sustained vowels was studied in 5 budgerigars. The birds were trained using operant conditioning… Expand

Discrimination of synthetic speech sounds from the bilabial, alveolar,and velar voice onset time (VOT) series was studied in 5… Expand

We trained budgerigars by operant conditioning to discriminate among a set of contact calls in a same-different task and analyzed… Expand

Operant conditioning and multidimensional scaling procedures were used to study auditory perception of complex sounds in the… Expand

Abstract Five different tape recorded groups of male vocal patterns were played each to a different group of females kept in… Expand