Since we're talkin' bout tortoises today... let's meander over to our elderly residents. On land, the Galápagos tortoise runs away, albeit slowly, with title of longevity king. Being a #reptile may give these gentle giants a head start, but their 100-plus-year average lifespan is still a “shell” of a claim to fame. #ageisjustanumber #tortoisesofinstagram #shellebrate #sandiegozoo