Ekans is a rattlesnake..I think.I wish we had:
Puffin,Salmon,Bobcat,Chipmunk,Bullfrog,Grasshopper,Heron,Llama,
Sabertooth Tiger,Peacock,Camel,Fly,Blue Jay,Dove,leech,Moose,Goat,Porcupine,and Rattlesnake Pokemon. I'm surprised that some of these haven't been used yet. Some of the Pokemon are partly animals that are listed like the rattlesnake (serperior) and porcupine (Sandslash), but not labeled as one. I REALLY WISH THEY WOULD MAKE A PEACOCK AND LLAMA POKEMON!!!
Pidove is a dove.
other than that, the rest aren't made as far as i know