American Bullfrog (Rana catesbeiana)
Upper Seletar Reservoir Park, 5th May 2017
- The Biodiversity of Singapore
- Non-indigenous frogs in Singapore
- The Tide Chaser: Amphibians (Phylum Chordata: Class Amphibia) of Singapore
- Ecology Asia
- AmphibiaWeb
- Amphibian Species of the World
- USGS NAS – Nonindigenous Aquatic Species
- Amphibians and Reptiles of Europe
- Global Invasive Species Database
- Invasive Species Compendium
- IUCN Red List
- Animal Diversity Web
- The emerging amphibian pathogen Batrachochytrium dendrobatidis globally infects introduced populations of the North American bullfrog, Rana catesbeiana
- Prediction and validation of the potential global distribution of a problematic alien invasive species — the American bullfrog
- Amphibian Pathogens in Southeast Asian Frog Trade
Monday Morgue 