rule 34 anthro avian beak blue hair blue tail breasts duo equid european mythology feathered wings feathers female femalefemale fin friendship is magic greek mythology hair hasbro hi res hippocampus hippogriff james corck mammal marine merfolk my little pony mythological avian mythology nipples open mouth pink beak pink body pink feathers pink nipples purple eyes rock silverstream mlp smile split form water waterfall wings 6044427