Collective Noun: A noun that denotes a group of individuals.
Terms of Venery: Collective nouns specific to certain groups of animals.
Clowder: A term for a group of cats that means roughly, huddle, and comes from the same root as clot.
Credits (and Twitter handles):
Script Writer: David Goldenberg (@dgoldenberg)
Script Editor: Alex Reich (@alexhreich)
Video Illustrator: Qingyang Chen (@QCvisual)
Video Director: Henry Reich (@MinutePhysics)
Video Narrator: Kate Yoshida (@KateYoshida)
With Contributions From: Ever Salazar, Emily Elert, Peter Reich
Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder