Migrant bird population declines, an African perspective

Evidence for a critical role of olfactory cues for homing after displacement in open ocean. Procellariiformes are pelagic birds which wander in the open sea most of the year and often nest in remote oceanic islands. These birds are able to pinpoint their breeding sites following straight routes even if their nesting island is located…

By Professor Gary Ritchison of the University Works at Eastern Kentucky University in Richmond Ky, USA. His long-term interests have been in avian mating strategies, specifically examining factors that influence mate choice (and choice of extra-pair partners) by female songbirds and avian vocal behaviour (particularly the functions of song), the ecology and behaviour of grassland…