Egretta eulophotes (Swinhoe): Chinese Egret.—Specimen, 1: Ka-Karis, Kinabatangan River, 200 feet: ♂, October 20, 1963, ADG 326.
This is the only record known to me of this species from North Borneo. Smythies (1960:126) lists 11 specimens from other parts of Borneo.
Egretta sacra (Gmelin): Reef Egret.—The species was observed at Karindingen Island on August 17 and November 24, 1962, and was the most common egret on the island. One compact flock of 50 was seen at high tide. No white-phased birds were in the flock.
Bubulcus ibis coromandus (Boddaert): Cattle Egret.—Specimen, 1: Tongod: ♀, October 21, 1963, ADG 328.
Individuals were observed daily at Tuaran with cattle at the Agricultural Research Centre. I saw them on December 9 when I arrived at Tuaran and again on January 13, when I departed.
Ardeola bacchus (Bonaparte): Chinese Pond Heron.—Specimen, 1: 12 mi. N Kalabakan: ♀, October 26, 1962, MCT 3151.
The specimen was brought to our camp by a local boy who obtained it on a stream that ran through his kampong (village) near our sulap (hut). The stream was a small one that ran out of the primary forest, through the village, and back into secondary forest.
Butorides striatus (Linnaeus): Little Green Heron.—Specimens, 2: Telipok: ♀, March 10, 1963, TM 67; Sex?, December 13, 1962, TM 6.
This heron was seen at Karindingen Island on August 17, 1962, in a small swamp near the Tawau airport on September 16, and on the reef at Siamil Island on September 18. The specimens collected at Telipok were not identified to subspecies.
Ixobrychus cinnamomeus cinnamomeus (Gmelin): Chestnut Bittern.—Specimen, 1: Tuaran: Sex?, December 24, 1963, SCFC 32.