No such critter, but there are types that conceal far better.

"especially with moving the fridge and stove in and out for cleaning?"

Being careful this can be avoided by protecting the floor with masonite or any material similar.

All wood will scratch from anything harder than wood (metal, glass, dog nails, etc.). Some woods are harder than others--oak is probably the hardest and is the most common wood flooring. Pine is the softest. A good professional doing the sanding and finishing is your best bet to protect your floors from scratches and dings. And Uptown Floors' advice on protecting floors when moving appliances is very good.

I've heard bamboo is much harder, we are looking at it. Dining tables are really hard on softer wood floors due to the chairs - but I hate rugs under the table (defeats the easy clean!) so I use felt pads on chairs and make sure they are refreshed often when they wear off.

Oak hardwood is very hard and durable but of course expensive. We had Shaw engineered wood (walnut) in our last place and it scratched and dented terribly easily. In our current home we have LVP which still looks new after 5 years - but we don't want vinyl for our new home.

I have bamboo. It will dent if something is dropped on it and scratch (like chair legs), but it is pretty durable. But I wouldn't do wood in a kitchen due to spills, the potential for water leaks and the like that can completely ruin the floor.

none

None because it isn't the wood that scratches it is the finish on them that scratches. The hardness of the wood prevents them from being dented. If I take bare bamboo or bare pine an ran a razor blade across them they will both have a scratch although the pine will be deeper.

I have learned that if someone doesn't like the look of scratches buy a low sheen distressed floor. It isn't about not scratching but being able to conceal it.

Wood look porcelain tile will stand up to some abuse. Not hellish abuse, but some abuse. You so need to provide the right rigid subfloor for it and engage a Pro who knows what he is doing. It will cost more than installing a decent wood floor and then just taking care of it properly. So, I suggest you change how you treat your floors, or prepare to be disappointed with almost everything.

Find out what scratches and do what you need to protect your floor. I mean car paint scratches and mostly we avoid that. . . .somehow when parking. I guess you can put a wrap on your car now that is self healing for some scratches. Just rub it until it seals together again. That stuff is expensive. I'd go with the porcelain screen printed wood copy.

Yes they all can be scratched but seriously some of these floors scratch if you look at them. We had old fashioned site finished hardwood of various kinds in rental homes we lived in and never had noticeable scratches. With the engineered wood I mentioned the darker finish would scratch through to a lighter color even from cat's claws (the same cats had never made a mark on any floor before or since!). I think that's the kind of thing the OP is looking to avoid.

Petrified?

Cancork, it was a joke.

We had bamboo in our previous house for 7 years with two small boys. It did scratch from the feet of the chairs as well as got some small gouges from where we dropped sharp kitchen utensils (knives, etc.) But overall, it held up fairly well, especially compared to a 'traditional' wood. We are opting for luxury vinyl plank in our new home.