Posted by Elizabeth Bacher, Communications Photos: Jeremy Dwyer-Lindgren/Woodland Park Zoo Hello, Kaa! Snakes "smell" with their tongues, or more precisely use them to pick up scents in the air. July 16 is World Snake Day, a day to appreciate these amazing and often misunderstood reptiles. All over the world, snakes play a vital role in maintaining balance in ecosystems—both as predators and as prey. Who better to serve as an ambassador for all of snake-dom than Kaa, our 19-year-old, male reticulated python. Our animal keepers estimate that Kaa is currently around 17 feet long and probably weighs between 125-135 pounds. Kaa—who is named after the Jungle Book character—arrived at Woodland Park Zoo 11 years ago and he currently lives in a habitat maintained just for him in the Trail of Vines area right next to our orangutan habitat. Reticulated pythons are native to southeast Asia and, when full grown, are among the longest snakes in the world—and they keep growing throughout ...