🧰 Interactive Biology Tools
11 free tools for exploring species, ecology, conservation, and biodiversity.
Exploration
Species Search
Taxonomy explorer for 370K+ species
Search 370,000+ species by common name or scientific name. Filter by kingdom (Animalia, Plantae, Fungi) and IUCN conservation status (LC, NT, VU, EN, CR). Instant …
Taxonomy Browser
Explore the tree of life
Navigate the Linnaean classification hierarchy from Kingdom to Species. Expand branches to discover how organisms are related through evolutionary history.
Analysis
Species Comparison
Side-by-side species analysis
Compare two species across taxonomy, conservation status, physical traits, diet, habitat, and geographic range. Discover what makes each species unique and what they share in …
Biodiversity Calculator
Measure species diversity
Calculate biodiversity indices including Shannon-Wiener diversity, Simpson's index, and species richness. Enter species abundance data and get instant ecological diversity metrics.
Size Comparator
Visual size comparison
Compare the physical dimensions of different species using visual scale bars. See how a blue whale stacks up against a great white shark, or a …
Conservation
Conservation Status Checker
Check IUCN Red List status
Look up the IUCN conservation status of any species in our database. Understand what each status means and see population trends, estimates, and threats.
Extinction Timeline
History of species loss
Explore the timeline of species extinction from the Holocene to the present. See which species have been lost, when they disappeared, and what caused their …
Ecology
Food Web Builder
Build trophic relationships
Construct food webs by selecting species and assigning trophic levels. Visualize predator-prey relationships and understand energy flow through ecosystems.
Habitat Finder
Match species to habitats
Discover which habitats support specific species and which species thrive in particular environments. Explore the connection between organisms and their ecosystems.