When searching for reference images of animals, remember to think critically about what keywords you are using.
Some important things to consider when brainstorming what keywords to search for animals are species names, climates, geographical areas, and animal class (mammal, reptile, etc.).
Here is select list of subject headings to try searching in the Goldstein Library Catalog. You'll want to try different search terms and strategies as your research develops.
Below is a small selection of books to gather reference images of mammals, birds, reptiles, and other fauna. Helpful sections to browse for additional titles are located in the QLs.
Birds of the Photo Ark by 
Wildlife Photographer of the Year 50 Years by 
The Wildlife Photographs by 
