Intelligent Mules

The scientists of Sussex university have found that mules are more intelligent than horses and donkeys.This is due to the hybrid vigor as a result of the best genes of the parent species they claim.They also attribute this for mules being physically robust and smart.Also the learning skills of the mules are much sharper than those of horses and donkeys.So they can grasp things quickly.They are able to identify the correct bucket containing food when two are more buckets are there.The mules are showing out good skills than are horses and donkeys.