The article describes the main aspects of the creation of the information system of educational purpose, focused on the solution of tasks of computer and information training for future ecologists in modern higher education in Ukraine. The main and additional requirements for an information resource about rare species of animals which take into account disadvantages of existing information resources are formulated. The main stages of the information system development process are considered. The project was implemented by means of Python programming language, Django framework, Adobe Photoshop graphics editor. The structure of the MySQL database for the informational system and the description of the fields of its main tables were given. The chart of precedents concerning the roles typical for the Little Zoo system, the chart of cooperation for adding an article into the system database, the chart of the sequences in the system, the chart of conditions of search are presented. Thanks to the resource users will be able to search for a rare species of animals according to one or more characteristics. The system also provides students with the possibility of learning materials by sorting articles about animals in the required order. The description of the functional of the information system is presented. The system allows the registered users to add own articles, to expand the resource’s database. The information system of educational purpose is successfully used at the Kherson State University in studying the discipline "Informatics and Systemology" by students of specialties 101 "Ecology" and 014 "Secondary education (Biology)", as well as in studying the discipline "Information technologies and technical means of correctional training" by students of specialty 016 "Special Education".