Oozing cat.

[rug]

[PoliticAverse]

1. Not the only one apparently...

[rug]

3. They must be evolving.

[MADem]

2. Those stairs look like an Italian apartment house! nt

[The Velveteen Ocelot]

4. These cats must think that's fun.

I remember sliding down the steps on my butt when I was a little kid and thinking it was great fun. This must be the cat version.

[surrealAmerican]

5. cat or cat-erpillar?

I like the marble stairs too.

[3catwoman3]

7. Feline...

...slinky.

[Laffy Kat]

6. Hmmm. Looks like someone has been hitting the catnip. nt

[Ruby the Liberal]

8. Liquid, Solid, Gas, and Cat

[The Velveteen Ocelot]

9. In this case, the cat is a liquid,

because it has assumed the shape of its container.