Observations of antipredator behavior in two troops of free-ranging Lemur catta were made during a 13-month study o f L. cattafeeding ecology. Both responses to and frequency o f encounters with other species were recorded. Ringtailed lemur antipredator calls differentiated between terrestrial and avian predators. L. catta responded to the Madagascar harrier hawk (Polyboroides radiatus) and the...

Iran as a developing nation is in epidemiological transition from communicable to non-communicable diseases. Although, cancer is the third cause of death in Iran, it;s mortality are on the rise during recent decades. This mini-review was carried out to provide a general viewpoint on common cancers incidence in Iran and to explain incidental differences that may help us to establish early detect...

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National survey on density, number and habitat use of Common Buzzards wintering in the lowlands (under 650 m a.s.l.) of Bulgaria was conducted in January 2006. Combined method of road count survey with point count technique modified by Distance analysis was applied. A total of 174 point transects were made and 501 Common Buzzards were registered. The frequency of species was 74.7% and the relat...