The COMPADRE and COMADRE databases
COMPADRE and COMADRE contain matrix population models of hundreds of plant and animal species. Both COMPADRE and COMADRE are open-access databases.
(http://www.compadre-db.org/)

Catalogue of Life
The Catalogue of Life is the most comprehensive and authoritative global index of species currently available. It consists of a single integrated species checklist and taxonomic hierarchy. The Catalogue holds essential information on the names, relationships and distributions of over 1.6 million species. This figure continues to rise as information is compiled from diverse sources around the world.
(http://www.catalogueoflife.org)

The Human Mortality Database
The Human Mortality Database (HMD) was created to provide detailed mortality and population data to researchers, students, journalists, policy analysts, and others interested in the history of human longevity.
(http://www.mortality.org)

The Animal Ageing and Longevity Database
AnAge is a curated database of ageing and life history in animals, including extensive longevity records. AnAge was primarily developed for comparative biology studies, in particular studies of longevity and ageing, but can also be useful for ecological and conservation studies and as a reference for zoos and field biologists.
(http://genomics.senescence.info/species/)

Animal Diversity Web
Animal Diversity Web (ADW) is an online database of animal natural history, distribution, classification, and conservation biology at the University of Michigan
(http://animaldiversity.org)