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Browse public knowledge collections published to Underlay.
7 collections in Nature
All 63 US national parks with locations, establishment dates, areas, visitor counts, and regional classifications.
Dog breeds with physical characteristics, temperament, breed groups, and images from TheDogAPI.
Cat breed data from TheCatAPI — breed characteristics, temperament, origins, and trait scores.
Dog licensing records from New York City — dog names, breeds, boroughs, and license dates from NYC Open Data.
Dinosaur species data — names, diets, geological periods, regions, taxonomy, and classification from open paleontology datasets.
Species conservation status data based on the IUCN Red List of Threatened Species, covering critically endangered, endangered, vulnerable, and near threatened species across mammals, birds, reptiles, amphibians, fish, and invertebrates.
Bird species observed in North America from the Global Biodiversity Information Facility (GBIF) — species profiles, taxonomic classification, occurrence records, and contributing datasets.