Stingray Encounter Xel-Há Park Official Website
Pa. man hauls in possible world-record stingray in the Delaware Bay
Stingray - Wikipedia
Charlotte the stingray: Aquarium gives update on fish with virgin pregnancy
Shuffling into Stingray Conservation - Brevard Zoo Blog
Mystery of the pregnant 'virgin' stingray has been solved
Tale of giant stingray circles the globe
Pteroplatytrygon violacea – Discover Fishes
Southern Stingray
Mystery of Pregnant Stingray Could Be Explained by a Male Shark: Scientists