Porcupine quills are mainly used to protect oneself and as a tool to defend against predators. Porcupine quills also have many functions and can be used to make high-end fishing buoys and Various handicrafts and decorations, etc. Porcupine quills can also be used to collect wild fruits. When the number of wild fruits is relatively large, it is convenient for porcupines to transport wild fruits back to their caves. Porcupine quills can also help porcupines build and protect their own caves.

1. What are the functions of porcupine quills

1. Porcupine is an animal with sharp thorns on its body. Its quills are from the back to the tail, especially the tail. The spines are particularly strong. The porcupine's quills are used to protect itself from predators. Because the porcupine's quills have a special shape, they are also used to make high-end fishing buoys and various handicraft decorations.

2. Porcupine quills can also be used to collect wild fruits. The porcupine only needs to roll around on the ground full of fruits to stick the fruits on its back. This is especially useful when the porcupine wants to store food for itself. Huge effect.

3. Porcupine quills can help porcupines build their own burrows. When facing some relatively hard soil, porcupines can use their own quills to open burrows for themselves, and porcupine quills can also help them build their own burrows. Add a protective barrier to the cave.

2. The difference between porcupines and hedgehogs

1. Porcupines belong to the phylum Chordata, subphylum Vertebrates, class Mammalia, subclass Eutheria, order Rodentia, suborder Porcupine, and porcupine A common name for animals. Hedgehogs belong to the phylum Chordata, subphylum Vertebrates, class Mammalia, subclass Eutheria, order Hedgehogiformes, family Hedgehogidae, subfamily Hedgehogs, and hedgehogs are heterotherms.

2. Porcupines are large and fat. The largest porcupine can reach more than 70 centimeters. It has a small head, small eyes, short and thick limbs, and long and hard thorns on its back and tail, which are used to defend against natural enemies. An important organ, there are 20 teeth with very shallow roots. Hedgehogs have a fat and short body, sharp claws, small eyes, short hair, and are covered with short and dense thorns. The back and sides of the body are covered with thorns. The head, tail and belly are covered with hair, and the mouth is pointed and long.

3. Porcupines mainly inhabit hillsides, grasslands or dense forests. They are cave-dwelling creatures. They are active at night and often follow a certain route. The thorns make a sound when they walk. They are herbivorous. Hedgehogs are widely distributed, mainly in the "Old World" such as Asia, Europe and Africa. As an introduced animal, hedgehogs have no natural enemies, so excessive reproduction has gradually made hedgehogs a disaster.