An authoritative and comprehensive checklist of more than 1.3 million species of plants, animals, fungi and micro-organisms. Great place to start for species taxonomy.
An open-source, global nature observation system. Use iNaturalist NZ to record your observations of species, get any species identified, help others identify species, and talk with other NZ nature enthusiasts.
GBIF—the Global Biodiversity Information Facility—is an international network and data infrastructure funded by the world's governments and aimed at providing anyone, anywhere, open access to data about all types of life on Earth.