dog aggression

Hi everyone, This is my first time posting on the forum. My girl is just over 2 years old and up until today has been the most amazing dog with every other dog we meet. We go to the dog park almost every day and she loves other dogs, though she can be a bit on the timid side at times but that's...

Up until last year my boy was fairly well behaved with other dogs. Although when walking at the park he would sometimes get excited and want to play with the other dogs. But never aggressively. Then last year we took him camping with the family. My niece had a 8 month old mutt she had recently...