The following references are required for the 2017 Envirothon.
1. PA Species, Ecosystems and Biodiversity
2. Wildlife Note Series – see List A for identification and List B for specific identification of selected wildlife profiles.
3. Helping Wildlife: Working with Nature booklet
4. Envirothon Animal Tracks – see List D for Identification of Wildlife sign indicated by an asterisk *.
5. Envirothon Skull Reference Resource: compiled by PA Game Commission – see List D for Identification of Wildlife sign indicated by a diamond ♦.
6. Deer Management –
7. Endangered and Threatened Species Information.
8. 2016-2017 Pennsylvania Digest of Hunting and Trapping regulations
9. Pennsylvania Envirothon Bird Song CD (see link on side panel)
10. Wildlife Diseases