Scientists searched for the world’s oldest hedgehog

A citizen science project in Denmark helped researchers find the world’s oldest (or at least scientifically-confirmed oldest) European hedgehog (Erinaceus europaeus). At 16 years-old, Thorvald the hedgehog lived seven years longer than the previous record holder. On average, the six to 11 inch long animals typically found wooded areas, gardens, and parks and lives around two years. 

The study on the life expectancy of European hedgehogs was published February 14 in the journal Animals. 

While the European hedgehog is a beloved mammal, their populations have declined up to 30…