Ardea goliath Cretzschmar, 1829 - Goliath Heron
This is also known as the Giant Heron.
Ardea insignis Hume, 1878 - White-bellied Heron
This species is listed as Critically Endangered in the IUCN Red List of Threatened Species (https://www.iucnredlist.org/).
Ardeola grayii (Sykes, 1832) - Indian Pond Heron
This is also known as the Paddybird.
Butorides striata (Linnaeus, 1758) - Striated Heron
This is also known as the Little Green Heron.
Gorsachius melanolophus (Raffles, 1822) - Malayan Night Heron
This is also known as the Malay Bittern and Tiger Bittern.