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1 November 2011 Litter sizes of brown bears in the Central Alborz Protected Area, Iran
Bagher Nezami, Mohammad S. Farhadinia
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Although smaller than 4,000 km2, the Central Alborz Protected Area (CAPA) is one of the main habitats of brown bear (Ursus arctos) in Iran. During August 2005 to September 2009, we gathered data through direct observations of bears, identifying individual bears by means of age, sex, color, and behavior. We observed bears on 115 occasions. Mean size of cub litters was 2.00 (SE  =  0.20, n  =  13) and varied from 1 to 3. We speculate that low occurrence of meat in food items of the bears in the area explains this relatively small litter size. We hypothesize that the north-central portion of the Alborz Protected Area is a female core area which supports surrounding sink populations and needs to be protected more effectively.

Bagher Nezami and Mohammad S. Farhadinia "Litter sizes of brown bears in the Central Alborz Protected Area, Iran," Ursus 22(2), 167-171, (1 November 2011).
Received: 12 October 2010; Accepted: 1 July 2011; Published: 1 November 2011
brown bear
Central Alborz Protected Area
litter size
Ursus arctos
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