Lexicon size and its relation to foot preference in the African grey parrot (Psittacus erithacus).

Molecular identification and successful treatment of Chlamydophila psittaci (genotype B) in a clinically affected Congo African grey parrot (Psittacus erithacus erithacus)

Avian chlamydiosis is caused by Chlamydiophila psittaci with the highest infection rate in parrots (Psittacidae) and pigeons (Columbiformes). A two-year-old Congo African grey parrot was examined since the bird had shown clinical signs of anorexia, depression, diarrhea, and mild dyspnea and based on biochemical and hemathological analysis the bird was diagnosed as having anemia, leukocytosis, h...

Teaching a Musical Code to a Parrot: Frequency Discrimination and the Concept of Rhythm in a Grey Parrot (psittacus Erithacus) Uœenje Glasbenih Motivov Pri Papagaju: Frekvenœno Razloœevanje in Koncept Ritma Pri Sivem Æakoju (psittacus Erithacus)

Teaching a musical code to a parrot: Frequency discrimination and the concept of rhythm in a Grey Parrot (Psittacus erithacus) Music competence and perception should be considered in evaluating human cognitive processes, unfortunately, evolutionary onset of music is still unclear. Although connections between human language and other animal communication patterns remain limited and controversia...

Isolation of Chlamydophila psittaci from pet birds in Iran

Avian chlamydiosis is one of the most important infectious diseases of birds. Despite the rapid growth of exotic bird populations in Iran, there is little or no information on the specific infections that these types of birds carry. In this study, conventional isolation methods were used in cell culture to study occurrence of infection in pet birds. Samples from the conjunctiva, choana, and clo...

Journal of Comparative Psychology Social Context Influences the Vocalizations of a Home-Raised African Grey Parrot (Psittacus erithacus erithacus)

Comparative Cytogenetics of the Congo African Grey Parrot (Psittacus erithacus).

The Congo African grey parrot (Psittacus erithacus, PER) is an endemic species of Central Africa, valued for its intelligence and listed as vulnerable due to poaching and habitat destruction. Improved knowledge about the P. erithacus genome is needed to address key biological questions and conservation of this species. The P. erithacus genome was studied using conventional and molecular cytogen...