Local biodiversity databases
- A Checklist of Dragonflies (Odonata) of Hong Kong
- Atlas of Poisonous Plants in Hong Kong
- HKBUTTERFLY.NET
- HK Dragonfly
- Hong Kong Biodiversity Information System (HKBIS)
- Hong Kong Firefly Species
- The Hong Kong Register of Marine Species (HKRMS)
- Shiu-Ying Hu Herbarium
- 114˚E Hong Kong Reef Fish Survey
- 香港常見蜘蛛網
- 香港蛾蝶網
- 柴娃娃植物網
- 柴娃娃大型真菌網
International biodiversity databases
- AlgaeBase
- AmphibiaWeb
- ASM Mammal Diversity Database
- Avibase
- The Catalogue of Life (COL)
- eBird
- Encyclopedia of life (EOL)
- Fishbase
- Global Biodiversity Information Facility (GBIF)
- Global Butterfly Information System (GloBIS)
- Global Invasive Species Database (GISD)
- iNaturalist
- LarvalBase
- MolluscaBase
- The IUCN Red List of Threatened Species
- The Integrated Taxonomic Information System (ITIS)
- The Reptile Database
- Ocean Biodiversity Information System (OBIS)
- OBIS-SEAMAP
- SeaLifeBase
- World Flora Online (WFO)
- World Register of Marine Species (WoRMS)