Posted by: Gigi Allianic, Communications Holidoo is available now in ZooStores. Photo by Woodland Park Zoo. The zoo’s very own Dr. Doo has been hard at work specially crafting a limited edition blend of Holidoo for the holiday season. Unlike the typical Zoo Doo compost featuring manures of nearly two dozen zoo herbivore species, the All Elephant Poo Holidoo is made up exclusively of the “end products” of the zoo’s elephants’ manure and bedding—the biggest and richest composting materials at the zoo. ZooDoo — a work in progress. Photo by Ryan Hawk/Woodland Park Zoo. Got a gardening enthusiast in your life? Holidoo makes the ideal present. Or that person who seems to have everything? Bet they don’t have Holidoo! Holidoo's source. Photo by Ryan Hawk/Woodland Park Zoo. The festively packaged Holidoo product is available exclusively during the holiday season only at the ZooStore in jumbo-sized, 4-gallon containers ($20). Traditional Zoo Doo compost is also availabl