Scientific Name: Nycticorax nycticorax
Malay Name: Pucung-Kuak Biasa
Chinese Name: 夜鹭
Found worldwide except Australia and Antarctica with most northerly populations wintering south
Polytypic. Subspecies are: nycticorax, hoactli, obscurus, falklandicus.
Local Subspecies: nycticorax
Size: 58-65 cm
Non-breeding adult has greyish-white overall plumage with contrasting black crown, mantle and scapulars, yellow legs/feet, whitish nape-plumes and mostly blackish bill. Breeding adult has glossed bluish-green mantle/scapulars and reddish legs. Juvenile is duller brown overall with white-spotted upperparts and streaked crown, head-sides and underparts.
Similar looking species: Striated Heron
Habitat: Marshes, mangroves and waterbodies near parks/gardens.
Behaviour/Ecology: Highly gregarious and mostly seen at dawn and dusk.
Local Status: Uncommon resident
Conservation Status: Least Concern (BirdLife International 2019)
Location: Sungei Buloh, Singapore Botanic Gardens, Pasir Ris Park, Lorong Halus, West Coast Park, Jurong Eco Garden, Jurong Lake Park and any suitable patch of habitat.
BirdLife International. (2019). Nycticorax nycticorax. The IUCN Red List of Threatened Species 2019. Downloaded on 2 September 2021
Robson, C. (2008). A Field Guide to the Birds of South-East Asia. New Holland Publishers.