In the mid 80s Seyfarth, CHeney and co reported that vervet monkeys produced alarm calls that appeared to act something like names for distinct predators (Reference in animals' language) - Symbolic Species p 54, Deacon
"The human brain should reflect language in its architecture the way birds reflect aerodynamics of flight in the shape and movements of their wings." p. 45 Terrence Deacon, The Symbolic Species 1997 Penguin
is the associative knowledge network. It has been called "Wikipedia of associations" or "Last.Fm of travel", because you can type in anything you know and like, and the site will show you everything related.