because everything on the internet is true. Over at this wondermark post which is supposedly all verified, there is a great collection of collective nouns for things. Yes, you may have known that a bunch of angels is called "a host of angels" from singing hark, the herald angels sing but did you know that a bunch of medusas (medusae?) make up a tangle of gorgons? I also like "a mystery of spooks." Here's some, but click the image to view more.
Now I just need to find opportunities to make use of these.