Since you are not seeing any reason for the whining/screaming, maybe they are doing it to get your attention and it is working. I have a puppy too and at first she sometimes starts hollering, but I ignore her (knowing that she is safe) and she stops after a short time. If you come to them when they do that, they will continue to do it. They need to learn that it is ok to be by themselves too. I know it's difficult because you don't like them to be unhappy, but it is a lesson they need to learn. I would still ask the vet about it when you see her.

You might be right, they might be doing it for attention but the first time I was in the den and they were in the hall just outside (we have a small hall). The second time it was in the living room right in front of my mom and I and the third was outside where dad lies down and plays with them so these panic-type incidents don't happen when they are separated from us. Plus all they have to do is look at my mom and she gives them attention (I'm a little better, lol). I'm firmer when it comes to training them to learn its ok for them to be alone. I got Peanut crate trained and I'm working on Punkin and when he's whining behind the baby gate I tell mom that its ok, this will pass and he has to learn he can't always be in the middle of what we are doing... unless he can grab a butter knife and start popping up staples.

I find it difficult to believe a puppy in another room has the intelligence to start yelping because it has decided it wants your attention. I'd be more inclined to think it's physical pain from playing with the other puppy, or it could even be that he has oversensitive hearing.

Check out the link below and look for more info on the web........

Here is a link that might be useful: noise

Could be something serious like a portsystemic shunt, which causes weird behavior especially after eating. Can progress into seizures.

Or they may just be dogs. Sometimes one of mine will spontaneously start howling and the others will join in, then the bird screams (unless he started it) and pretty soon I have 3 huskies howling, 1 rottie barking, 1 pomeranian yapping and a screaming amazon parrot (sung to the tune of 12 Days of Christmas of course).

I've definitely heard some non-injured ShiPoos scream for no reason. Usually right *before* I give them their shots.

Definitely get them checked out. Hope they are just being silly pups!

Thank you guys! I will definitely ask the vet about it!

Since you said it happened outside with your father when another dog barked I'm wondering if they are hearing that or another dog barking. I had one dog who didn't bark often, but when she'd hear the dog a few houses down bark she would bark. We couldn't hear it inside at all but with a dogs super hearing she could. I'd go outside and be able to hear it a few houses away, and I'm talking a small country town where a few houses away is four acres or so and she could hear it inside our very old thick walled house. Something to consider.

Thanks for the suggestion Coconut-nj. Our vet wasn't worried and we have enrolled in puppy classes so I think she can confirm if he is nervous, anxious or fearful.