Complex sentence: Canines are certainly not uncommon, although the experience of being transformed into hyenas, cats, horses, birds and tigers has been reported on more than one occasion, with frogs, and even bees, being reported in some instances.
Split into simpler sentences: Canines are certainly not uncommon, although the experience of being transformed into hyenas, cats, horses, birds and tigers has been reported on more than one occasion. Transformation into frogs, and even bees, has been reported in some instances.