Coexistence of Indian Pangolin Manis crassicaudata (Geoffroy, 1803) (Mammalia: Pholidota: Manidae) and Indian Crested Porcupine Hystrix indica (Kerr, 1792) (Mammalia: Rodentia: Hystricidae) in Purulia District, West Bengal, India
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Abstract
The Indian Pangolin Manis crassicaudata and the Indian Crested Porcupine Hystrix indica are subject to extensive poaching in Purulia District (West Bengal, India), diminishing their populations, and making the study difficult. Applying methodologies that include local sightings, field observations, camera trapping, and quadrate analysis, these species were observed to co-occur in rocky cavities in Ajodhya hills at several locations. Evidence for this included fresh pangolin tail drag marks, claw prints, footprints, scales, porcupine quills, teeth marks, and faecal matter in the same locations within the study area. Quadrate analysis showed that the trees housing the target prey species of the Indian Pangolin as well as the trees bearing fruits favoured by the Indian Crested Porcupine, occurred at maximum frequency within the Quadrate area. We hypothesise that pangolins and porcupines co-occupy rocky cavities for protection from poachers, who can easily break into more typical burrows and set traps in front of them. This may be an example of adaption to poaching, which demonstrates the necessity of conservation measures to alleviate severe anthropogenic pressure.
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