The ears usually go up. Or if they are asleep, their whole head goes up.
No, pig ears are a good chewing treat for dogs.
Dogs
dogs and cats move their ears to hear from where the sound id comming.the ears of cats and dogs are out so when the sound waves hit the outside of the ears it rebounds back into the ears.
It depends on what dog you are talking about. There are dogs with short ears but most have ears bigger than those of humans.
Dogs ears are pretty close to human ears. So the answer to your question is yes they can.
No, you do not "have to" crop any dogs ears.
None no dog has 44 ears.
For hearing, just like we use our ears.
To hear
of crouse not
At the vet.
They pull their ears to check if the ear is just right and also to check if the dogs will bite them or growl