FAQ: Which Animal Has Prickly Spines?

Today, spines or quills are found in four major groups of living mammals: hedgehogs (Erinaceomorpha: Erinaceidae, Erinaceinae), tenrecs (Afrosoricida: Tenrecidae, Tenrecinae), echidnas (Monotremata: Tachyglossidae), and rodents (Rodentia).

Which animal use prickly spines?

Spines in mammals include the prickles of hedgehogs and among rodents, the quills of both New World and Old World porcupines as well as the prickly fur of spiny mice, spiny pocket mice and spiny rats. They are also found on afrotherian tenrecs, marsupial spiny bandicoots and on echidnas, of the monotremes.

Which animal has a spine?

The 5 groups of vertebrates (animals that have a backbone) are fish, amphibians, reptiles, birds, and mammals.

Are hedgehogs quills?

Most mammals have fur or hair that is somewhat flexible and soft. But the hair on the back of a hedgehog is a thick layer of spikes (or modified hairs) known as quills. These quills are made of keratin, the same stuff our hair and fingernails are made of.

Do snakes have spines?

Snakes need lots of bones so that they can be both strong and flexible. They have a special skull (more on this later!) and they have a very long spine, made up of hundreds of vertebrae (the bones that make up our backbone). They also have hundreds of ribs, almost the whole way down their body, to protect their organs.

Do birds have spines?

All birds belong to the group of animals called vertebrates, meaning animals having a backbone. Birds make up a special group of vertebrates called aves. Examples of other groups of vertebrates are — fish, amphibians, mammals and reptiles.

You might be interested:  Question: What Is A Hydromark Clip?

Do all animals have spines?

Mammals are vertebrates, which means that they all have backbones (spines). All mammals, except some sea cows and sloths have seven bones in their necks. This includes giraffes who have VERY long spines! Their necks can be 6 1/2 feet long, but they’re still made up of just seven bones.

What animals have quills?

Today, spines or quills are found in four major groups of living mammals: hedgehogs (Erinaceomorpha: Erinaceidae, Erinaceinae), tenrecs (Afrosoricida: Tenrecidae, Tenrecinae), echidnas (Monotremata: Tachyglossidae), and rodents (Rodentia).

Is a porcupine a hedgehog?

Hedgehogs are small mammals with cone-shaped faces, short legs and bodies that are covered with porcupine-like quills. Despite their similar appearances, porcupines and hedgehogs are not closely related. Unlike porcupines, hedgehog quills are not easily detached from their bodies, according to Animal Planet.

Do Hedgehogs have spines?

Hedgehogs are easily recognized by their spines, which are hollow hairs made stiff with keratin. Their spines are not poisonous or barbed and, unlike the quills of a porcupine, do not easily detach from their bodies. Spines can also shed when the animal is diseased or under extreme stress.

Is a squirrel a rodent?

squirrel, ( family Sciuridae ), generally, any of the 50 genera and 268 species of rodents whose common name is derived from the Greek skiouros, meaning “shade tail,” which describes one of the most conspicuous and recognizable features of these small mammals.