This database indexes the complete range of zoological subjects including animal behavior, genetics, parasitology, ecology, habitat, reproduction, zoogeography, evolution, nutrition, and taxonomy. It is a comprehensive resource for taxonomy.
Approximately 6,000 serial publications, a broad range of monograph titles, proceedings volumes, and reports are indexed with approximately 72,000 entries added per year. Searching is by author, title, publication source, subject, geographic location, taxonomic nomenclature.
Although abstracts are not included, detailed indexing is present for each entry, with a focus on systematics.