White-faced Heron
- Brief article explains what they look like. Includes where they live, what they eat, and how they build a nest.
- http://www.amonline.net.au/factsheets/white_faced_heron.htm

Little Heron
- Information about this wading bird's feeding, breeding, and migration habits. Includes their appearance and sounds, where they live, how many are in Singapore, and why they are threatened.
- http://www.naturia.per.sg/buloh/birds/Butorides_striatus.htm

Black-Crowned Night-Heron
- Learn, from the National Zoo, how these birds are different from other herons, where they live and build their nests, and what they eat.
- http://nationalzoo.si.edu/Animals/Birds/Facts/FactSheets/fact-blknightheron.cfm

Purple Heron
- Read about where they live and breed, and how they migrate. Includes what they look and sound like, their status in Singapore, and why they are threatened.
- http://www.naturia.per.sg/buloh/birds/Ardea_purpurea.htm

Grey Heron
- Learn about their breeding and migration habits. Includes description, call, distribution, status in Singapore, and why they are threatened.
- http://www.naturia.per.sg/buloh/birds/Ardea_cinerea.htm

Black-crowned Night Heron
- Fact sheet on this wading bird's feeding, nesting, and migration habits. Includes description, call, distribution, status in Singapore, and threats.
- http://www.naturia.per.sg/buloh/birds/Nycticorax_nycticorax.htm