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Dispersal behaviour of free-ranging dogs ( Canis familiaris ) in relation to age, sex, season and dispersal distance

By S. K. Pal, B. Ghosh, S. Roy

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Abstract

The dispersal of free-ranging dogs from Katwa, West Bengal, India, was studied between January 1993 and December 1996. Between January 1993 and September 1996, 315 pups were observed from 64 litters. Pups were born between October and March each year, with a peak between November and January. The mortality rate was 68% during the first 4 months, with 102 individuals surviving to the juvenile stage (4 to 12 months). The rates of dispersal were 39.3 and 23.3% in juveniles and adults, respectively. Mean home range sizes were 4.8+or-1.7 and 8.4+or-1.7 ha for non-dispersing and dispersing dogs, respectively. Moreover, there were significant seasonal variations in the home range sizes of both non-dispersing and dispersing dogs. Juvenile males were the predominant dispersers. Dispersal occurred in all seasons and dispersal rates did not differ between seasons. However, during late monsoon (September to November), dispersal was significantly greater among males than females. The mean dispersal distance of 1.702+or-0.425 km was relatively small, and did not differ between males and females.

Date 1998
Publication Title Applied Animal Behaviour Science
Volume 61
Issue 2
Pages 123-132
ISBN/ISSN 0168-1591
Language English
Author Address Katwa Bharati Bhaban, P.O. Katwa, Dist. Burdwan (W.B.) 713130, India.
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Tags
  1. Age
  2. Animal behavior
  3. Asia
  4. Commonwealth of Nations
  5. Developed countries
  6. Dispersal
  7. Dogs
  8. India
  9. Mammals
  10. Movement
  11. peer-reviewed
  12. Pets and companion animals
  13. Seasonal variations
  14. seasons
  15. sex differences
  16. stray animals
  17. West Bengal
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  1. peer-reviewed