I think there’s always going to be a time where you need to certain sound effect, whether it be for a website or some sort of multimedia project or you just wonder what a laughing hyena sounds like.
Soungle is an extremely simple to use search engine to find all sorts of royalty free sound effects. You can listen to the clips all on one page and you can choose to download it if you like it.
So far, on the few random searches I’ve done, I’ve found lots of great effects for each one. This one definitely goes in my bookmarks.