Hedgehog or porcupine spines?

FAST FACTS:

Hedgehog spines are short, sharp spikes. The spines do not easily come out.

Porcupines spines are long, sharp spikes. They are called quills. The quills can easily drop out.

When a hedgehog is attacked, it rolls into a ball.

hedgehog

hedgehog spikes

hedgehog

European hedgehog (Erinaceus europaeus)

 

When a porcupine is attacked, it spreads its spines to form a shield.

porcupine

porcupine spikes

 

Hedgehogs and porcupines are not related to each other.

Porcupines are rodents, like rats, mice, and squirrels. 

porcupine

Crested porcupine (Hystrix cristata)

 

 

Photographer: Martina Nicolls

Martina Nicolls: SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM

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