galapagos giant tortoise chelonoidis niger

100 amusing animal animalia aquatic are armour beagle beautiful biology carapace chelonoidis creature crepuscular darwin diurnal ecuador endangered environment evolution exotic fauna galapagos giant habitat herpetology islands large largest lifespans living longestlived longevity mediterranean nature niger old one organism outdoor pet reclusive reptile shell slow species terrestrial testudinidae they tortoise turtle vertebrate vertebrates wild wilderness wildlife years zoo zoology