The IUCN Red List of Threatened Species™ is widely recognized as the most comprehensive, objective global approach for evaluating the conservation status of plant and animal species.
The Global Invasive Species Database (GISD) aims to increase awareness about invasive alien species and to facilitate effective prevention and management activities. It is managed by the Invasive Species Specialist Group (ISSG) of the Species Survival Commission of IUCN (the International Union for Conservation of Nature).
An Audubon searchable database by name, taxnomic family or region. Each record has detailed information, including facts about habitat, migration, and feeding behavior along with songs and calls section.
"The State of the World's Rivers is an interactive web database that illustrates data on ecological health in the world’s 50 major river basins. Indicators of ecosystem health are grouped into three categories:
River Fragmentation, Biodiversity, Water Quality."
