TCP (Transmission by Carrier Pigeons) and by Snails

Just as we were talking about pigeons as TCP carriers, I end up sitting beside one here at the Grind as I read Dan Gillmor's article refering to an Israeli study of pigeons, "PEI (Pigeon Enabled Internet) is FASTER then ADSL" and of snails, "Snails are faster than ADSL (and Pigeons).