I was just thinking the other day about how animal archetypes are imprinted on us early as children; for some reason we spend a lot of time learning that ducks quack, cows moo, and cats meow. Encountering this list of animal noises, commands, and names in a number of different languages was conveniently timed. Mrrr! Mrrr! Via BoingBoing
Dave Seah 
Melanie Phung 
Did you see the news that scientists have figured out dolphins name themselves? Not a far stretch to think other mammals do too. Only tangentially related to your quickpost, but this is so cool I just had to share. (Curious if dolphins have noises they make to imitate what humans sound like.)
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Melanie: That’s cool!!! I wonder how long it will be before humans name their kids after dolphin whistles :-)