Study on Evolution of Kaziranga as Habitat of One-Horned Rhinoceros

In February 2026, researchers from the Birbal Sahni Institute of Palaeosciences (BSIP) published a study tracing the ecological evolution of Assam’s Kaziranga National Park as a key refuge for the Indian one-horned rhinoceros.

  • The findings show that Kaziranga’s present landscape has evolved significantly due to climate change, vegetation shifts, invasive species and herbivore activity over thousands of years.
  • Fossil evidence indicates that the one-horned rhinoceros was once widely distributed across the Indian subcontinent but gradually declined and became concentrated in Kaziranga.
  • Climatic stability in northeastern India over the past ~3300 years, combined with lower human pressure, supported the survival and eastward migration of ....
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