How Many Dogs Do You See?

How many dogs are there in the picture below, according to the original question that accompanies this optical illusion?

The solution should not be difficult to figure out, but it is likely to perplex you. Instead, I’d like to ask you: Have you noticed anything odd about the dogs below? There’s clearly something going on, but it’ll take a second or two for your brain to comprehend the information. Not the finest illusion I’ve ever seen, but it was certainly amusing (at least for a minute…) – Sarcone, G.