Rats make burrows because in the wild they burrow into the ground for homes. Rodents like to feel safe in their houses and they like to hide underground so that birds and other predators can't see them when they are sleeping.
No. Neither rats or hedgehogs burrow.
A burrow
In the wild, it's a burrow. I'd imagine the term "cage" is just fine for domesticated rats though.
A rat's home is called a burrow. These underground tunnels provide shelter, protection, and a place for nesting. Rats are known to create complex burrow systems with multiple entrances and chambers.
no,rats need bedding that they can burrow into
It makes a burrow
This is called bruxing, and it has a similar meaning to a cat purring.
It means very drunk. I think it came from a medieval torture method,where a rat was placed on the victim's stomach and a bucket placed on top of it. The bucket was then heated and the rat would burrow into the victim's stomach trying to escape. It would eventually come out of the victim's backside.The victim would be dead (from bleeding) by this stage. So being truly "rat-arsed" is not a good thing.
A platypus makes just one burrow for shelter, although the burrow may have mire than one entrance. During breeding season, a female platypus will dig a chamber at the end of the burrow, where she lays her eggs.
grass and soft mud
If they are regular, raspy noises, sort of like snoring, it may mean that your rat has a respiratory infection. You should get a vet to check it out, and prescribe antibiotics if necessary. Respiratory infections are dangerous for rats.
it means you have rat(s).