1. a subdivision of a species, especially a geographically or ecologically distinct population that differs from other populations of the same species but can still interbreed with them
Usage: biology; taxonomy

Examples

• The Bengal tiger is a subspecies of tiger found in India.
• Scientists identified three distinct subspecies of the butterfly across different mountain ranges.
• This subspecies of oak tree has adapted to desert conditions.
• The two subspecies can interbreed when their territories overlap.
• Researchers are studying genetic differences between subspecies of wolves.
• Climate change threatens several subspecies of polar bears.
• The island subspecies developed unique characteristics over thousands of years.