Parentage verification of a mountain zebra (Equus zebra hartmannae) using polymorphic microsatellite markers

Abstract 10.1002/zoo.1430140509.abs The Hartmann’s mountain zebra (Equus zebra hartmannae) has been classified by the IUCN as a vulnerable species. Approximately 300 individuals, maintained in zoos throughout Europe and the United States of America, are being managed as part of a captive breeding program. An International Studbook is maintained for the Hartmann’s mountain zebra at Marwell […]

Penguins use the two–voice system to recognize each other

The sound–producing structure in birds is the syrinx, which is usually a two–part organ located at the junction of the bronchi. As each branch of the syrinx produces sound independently, many birds have two acoustic sources. Thirty years ago, we had anatomical, physiological and acoustical evidence of this twovoice phenomenon but no function was known. […]