Natures Calendar is a Citizen Science project to explore the development of plants or the behavior of selected animals during the course of the year. This field of research is called phenology. Thats what you can do with this app: become a scientist and spot the ongoing development of nature during the whole year. Join up and start observing!More infos at www.naturkalender.atApp powered by SPOTTERON Citizen Sciencewww.spotteron.net