Below is a selected list of some useful sources of species information. To find field guides (both print and online), use Library Search. You can also recommend a bookor other resource for the library to purchase.
Searchable data on bird distribution worldwide. Much of the data have been contributed by bird-watchers. Launched in 2002 by the Cornell Lab of Ornithology and National Audubon Society, eBird provides rich data sources for basic information on bird abundance and distribution at a variety of spatial and temporal scales.
Datasheets, maps, images, abstracts and full text on invasive species of the world. An Open Access resource resourced by a diverse international consortium of government departments, non-governmental organizations and private companies.
The International Union for Conservation of Nature and Natural Resources (IUCN) Red List of Threatened Species™ provides taxonomic, conservation status and distribution information on plants and animals that have been globally evaluated.
Descriptions and population data for 159 species and subspecies of butterflies, plus climate data from nearby weather stations, descriptions of study sites and habitats and photos. Created by UC Davis Professor Art Shapiro.