Observation.org

Observation.org
Type of site
Citizen science
Area servedWorldwide
URLobservation.org
CommercialNo
RegistrationOptional
Launched2004 (2004)
Current statusActive

Observation.org is a worldwide platform of naturalists, citizen scientists, and biologists to collect, validate and share biodiversity observations. Observation.org may be accessed via its website or from its mobile applications like ObsIdentify or Observation. By 2026, the database has grown to include over 314 million nature observations of 145,595 species, supported by 138 million photos contributed by 584,000 users. It is published and hosted in the Netherlands under Dutch and European law by the non-profit foundation Observation International.