Average cat or dog may be smart enough to...  

Hedgehog, hell, I couldn't...
Hedgehog, hell, I couldn't figure out how to use it. Unless you put a slice of pizza in there.
We expect way too much of animals.

Hell, if a squirrel can do...
Hell, if a squirrel can do this.....a dog or cat should be able to figure out how to step on a pedal.
http://www.youtube.com/watch?v=nWU0bfo-bSY

This is lunacy!
Teach my cat to operate pedals? I'd sooner give whiskey & car keys to teenage boys!

Is that Sir Giles Gilbert Scott's Jubilee Kiosk phone box,
where one must guide Highland Lemmings?
http://tle.vaarties.nl/lemmings2/solutions/amiga/highland/1/10/

Don't be silly.
One press of the pedal gives the whole game away. That cat will be playing the three-manual+pedal organ in a week.
Of course, not all cats are alike (that's an understatement). Your mileage may vary.

Cattle can pump and drink...
Cattle can pump and drink their own water, so I'm sure other animals can be taught to use it, looks like a good idea but does the lid fall back down afterwards? Ah ok I looked at the other pics, if I had a pet i'd get one for sure.

Yes -- that's
the question, isn't it. A cat who would lower the lid when done eating would be a remarkable animal indeed, no ? Yet the alternatives -- the cat has to hold the lid open with its head while eating; the lid closes after a pre-determined number of minutes -- seem unlikely or undesirable.

The first
of the small videos tells me what I need to know. Nice cat, too . . .
http://www.jimrokos.com/pedalbowlvideos.html