The one puppy on the left looks to have its tail straight. I searched a bunch of pictures on the Barbet and saw some with their ears similar to the puppies in the pic. Notice the one in the middle has a rounder face and ears tip down, so maybe the other two are just perked up?
This is an interesting game, I have looked at a lot dogs before getting my Poodles and thought I had seen just about everything, but obviously, I had not.
Barbets would also have a fuzzy face. Me thinks those pups were mislabeled...
You are more likely to see ears that do not stand on a breed that they should than erect ears on a drop eared breed. Ears will also drop temporarily on pups when they teethe.