When threatened, an adult porcupine can bristle its quills, displaying a white stripe down its back, and use its teeth to make a warning, clacking sound.
Its second line of defense uses its teeth to make a warning, clacking sound. When threatened, an adult porcupine can bristle its quills, showing a white stripe down its back.
When threatened, an adult porcupine can bristle its quills, showing a white stripe down its back. Its second line of defense uses its teeth to make a warning, clacking sound.
When threatened, an adult porcupine can bristle its quills, showing a white stripe down its back. Its second line of defense uses its teeth to make a warning, clacking sound.