Here you go:
A FLOAT of crocodiles
A MURDER of crows (L.: this really sounds darn cool)
A PRIDE of lions
I din get any of them right haha....
How did you fare?
p.s. Sorry, I got the "ABC" order of the answers the other way round. =_=;
Here is the correct one.
p.p.s. check this site out http://www.pubquizhelp.34sp.com/animals/groups.html