ATTENTION IN THE PIGEON

CARDIFF UNIVERSITY Attention in the Pigeon

Visual search and selection of natural stimuli in the pigeon: the attention threshold hypothesis.

During visual search for samples of varying proportions of familiar, natural food grains displayed against a complex gravel background, pigeons exhibited "matching selection," a tendency to overselect the more common grain. The matching-selection effect was decreased at low levels of stimulus/background contrast and reversed when the grains were highly conspicuous. The results were consistent w...

Superstition in the pigeon.

Malignant Fibrous Histiocytoma in a Pigeon

Case Description- A pigeon with an abnormal mass on right wing was referred to the Veterinary Clinic of Shahid Bahonar University of Kerman. Treatment and Outcome- The mass was removed surgically and histopathologic examination was done. Microscopic findings revealed a stori-form pattern of atypical and pleomorphic spindle-shape tumor cells with histiocytes and too many thick wall capillari...

Reovirus infection in the pigeon.