The plant is estimated to weigh collectively 6,000,000 kilograms (6,600 short tons), making it the heaviest known organism. The root system of Pando, at an estimated 80,000 years old, is among the oldest known living organisms.
The Abilene Zoo cares for 500+ animals that represent 160 species. Lots of activity at our Zoo recently! Be sure to check out the new Elm Creek Backyard exhibit & the 5 new lion cubs when you go! The Abilene Zoo cares for 500+ animals that represent 160 species. Lots of activity at our Zoo recently! Be sure to check out the new Elm Creek Backyard exhibit & the 5 new lion cubs when you go! AbileneCVBOctober 23, 2010.
View a map of all Zoos. Zoo Details. Memphis Zoo is a zoo located in Durham, NC. It first opened in 1906. The Memphis Zoo has an area of 70 acres in order to house all of its animals. Inside Memphis Zoo, there are 3,500 animals and 500 different species. About 100,000 visitors are attracted to the zoo each year, which is a relatively low number of annual visitors compared to other zoos.