That's an opinion. Some people think dogs don't act strange. Dogs are just being... dogs. It's what they do. Anyway, this question isn't specific.
because they have nothing better to so they act strange so people can give them attention
Because they are strange.
it is because their emotional feeling that they act so strangely. Actually, i don't know that much
i am sure some dogs do but that is a strange hatred!
They might like you. Or pueberty. Or maybe even there just insanely odd.
yes.
he would act strange and wierd
The dog is dreaming and chasing something so they run.
The girl puppies will start acting strange then the boy dogys will start to follow them  and the girl dogs whine and the boy dogs grunt so that's how u know
rowan atkinson
dogs and many other animals have strange behaviors before an earthquake/tsunami because they can sense them. dogs bark, and birds fly away. just because your dog is barking at nothing however, it doesn't mean there's an earthquake.
lions, other strange hyenas, and hunting dogs