Calculating the Ecological Impact of Game of Thrones’ Dragons

The dragons of Game of Thrones haven't exactly had a great run over the past couple of seasons. First went Viserion, killed by the Night King, then resurrected by the Night King as an ice dragon, then destroyed all over again during the Battle of Winterfell when Arya shanked the Night King and shattered his army of wight supremacists. Next went Rhaegal, felled just last week by Euron Greyjoy and two well-placed, apparently hypersonic mega-spears. Of Daenerys Targaryen's scale-baby triplets, only one remains, and even that one's likely to need some recovery time after turning King's Landing to a smoldering ash-heap. On the bright side, that means a smaller cottage industry will be needed to ensure that Drogon is fed …