Could you pick up a 10-kilo piece of steak with your tongue? A chameleon can do just that (or the equivalent thereof). Their tongue appears to create a suction cup just as it blobs onto the hapless victim. Video of chameleon eating, from Madagscar, filmed by Jo Stonehouse (once of Manchester, now in Sheffield). Article about the biomechanics of tongue projection in chameleons from J Exp Biol (open access).