Do mouses eat carterpillars?
Mice will eat basically anything they find including caterpillars. For the most part however they are herbivores and stick with things such as berries, grasses, seeds, and fruits.
Since the plural form for mouse (a small mammal) is mice, you must mean the type of mouses used for computers. There is no specific collective noun for a bunch of computer mouses, so let's try the collective nouns for mice: a horde of mouses a nest of mouses a mischief of mouses Yes, I think 'a mischief of mouses' will work very well, given what people get up to with their mouses.