Plural Animals

BoingBoing pal Mike Outmesguine says:

"This site lists the names given for groups of animals. But I see it's missing seagulls. Some examples: A shrewdness of apes, cete of badgers, army of caterpillars, knot of toads, unkindness of ravens, or a clowder of cats."

link

Update:
Simon Gatrall points to more collective critter noun fun here, here, and here!

And toothpastefordinner says, "I illustrated some of the groups not shown on your links here (small version, big version)."