Since you offered no guidelines; I choose the deadly carnivorous terror birds which roamed the forests of Patagonia millions of years ago The "terror bird" stood over 10 feet Hotwater
in terms of most interesting, i'd propose the octopus or the cuttlefish, perhaps the squid in terms of most lovable, i'd go for dogs and when it comes to cute animals, there's no end to it... https://www.youtube.com/watch?v=gVVO2zY0G_o https://www.youtube.com/watch?v=URD_aHLq9q8 https://www.youtube.com/watch?v=Ni39mfX0Lag&NR=1 https://www.youtube.com/watch?v=rzs-fDGAvdY
flamingo tongue is supposed to be delicious - the rest of the bird is supposed to be tough and greasy, if i'm not mistaken
birds of prey. all of them are interesting creatures. particularly the osprey, in which i captured on video feeding on a snake in the everglades.