Hi Walrus,
You just made me think of one of my favorite fishy mammals.
If you are in Seattle you should check out the Point Defiance Zoo. I go just to see the great Walrus "E.T.". He is 3,500 lbs of love and blubber! I got a nice close up when the keeper was feeding him. He has two new girlfriends, would be great if the breeding works and they have a cute baby Walrus
I saw a Beaver last time we were there...pretty cool and bigger than I thought they were.
Pretty cool zoo/aquarium overall!
Michelle