Most porcupines are about long, with a long tail. Weighing , they are rounded, large, and slow, and use an aposematic strategy of defence. Porcupines' colouration consists of various shades of brown, grey and white. Porcupines' spiny protection resembles that of the only distantly related erinaceomorph hedgehogs and Australian monotreme echidnas as well as tenrecid tenrecs.
most porcupines are about long with a long tail weighing  they are rounded large and slow and use an aposematic strategy of defence porcupines' colouration consists of various shades of brown grey and white porcupines' spiny protection resembles that of the only distantly related erinaceomorph hedgehogs and australian monotreme echidnas as well as tenrecid tenrecs