In Basic Edition, blink dogs were said to resemble dingos
Blink dogs are a relatively well-known creature for the D&D game, being entirely original to it, and having been present in every edition since the very beginning. Compared with some other signature creatures, though, there doesn't seem to be much written about them. So let's see what sort of a take I can make on them.
As always, let's begin by seeing what the primary source material has to say about the creatures, using an admittedly incomplete sampling of various editions: