Maybe they are in danger or trying to alert others.
The dogs might be howling in the Christmas cartoon because they're responding to a Christmas bell or maybe they saw Santa Claus and got overly enthusiastic.
The reason dogs are shown itching in cartoons could be to indicate they're uncomfortable or to create a light-hearted moment. It might also be a visual cue to suggest they need a bath or have been in a messy situation.
Maybe it's scared or in pain. Sometimes animals howl when they're feeling threatened or hurt.
Well, there could be various reasons. It might be expressing its loneliness, or there could be a threat nearby that it senses. Sometimes, it's just for added drama and effect in the cartoon.
Maybe the dog is scared or trying to alert someone. It could be because of a strange noise or a potential threat.
Maybe she's scared or in pain. That could be the reason for her howling.
Maybe he's in pain or scared. Sometimes, characters in cartoons howl for various reasons like that.
Maybe it's scared or in pain. Sometimes dogs howl when they feel threatened or are injured.
Maybe they do it to get to know each other or to check for something interesting.
They might growl to show they feel threatened or to protect something.