Pesto is just some big bird white people made popular because they can't deal with Moo Deng and here's the proof:

-Australian Zoo -Wow look how big -Started on tumblr

Also of course mainstream media immediately was all over their great white hope saying stuff like 'Move over Moo Deng here's Pesto'

In conclusion it's a Moo Deng world and you are all just living in it.