Summary for migrant species:
In March, 150 raptors of 12 migrant species were recorded. Feroz Fizah sought ID help for a raptor photographed in flight at Tampines Eco Green on 11 March, late morning and both Adrian Silas Tay and Lau Jiasheng quickly identified it as the very rare Eurasian Sparrowhawk Accipiter nisus, making it our 4th record for this species. On 15 March, Tay Kian Guan photographed an accipiter at Henderson Waves, harassing an Oriental Honey Buzzard. Accipiters can be notoriously difficult to identify, nevertheless, the photo showed enough detail to identify the raptor as a female Besra Accipiter virgatus, another rarity.
Yet another scarce raptor was a juvenile pale morph Common Buzzard Buteo buteo photographed in the Central Business District on 2 March by John Marriott, and is probably the same juvenile pale morph photographed by Luke Milo Teo on 27 Jan 2018. Also, Veronica Foo photographed a juvenile Black Kite Milvus migrans in flight at Lorong Halus on 21 March. Ryan Lee found a Northern Boobook Ninox japonica on the ground near a block of HDB flats at Pasir Ris on the 30th, it could have flown against a window; at Chung Cheng High (Main), another boobook was found by Teo Jo-Hsuan on the 16th morning and it was stunned, having flown against a window.
A total of 69 Oriental Honey Buzzards Pernis ptilorhynchus were recorded, a mixture of adults and juveniles but notably all orientalis subspecies. 42 Black Bazas Aviceda leuphotes were recorded, with the bulk at Kranji Marshes. Of the 11 Japanese Sparrowhawks Accipiter gularis recorded, there were six females and one male, with the remainder unsexed.
The small flock of Jerdon’s Bazas Aviceda jerdoni were still around Coney Island on the 15th, when 8 were recorded; the Bishan individual stayed from the 7th to the 12th; while the last record was an individual photographed by Luke Milo Teo at Ulu Sembawang on the 24th, a new late date for the species.
The female Chinese Sparrowhawk Accipiter soloensis at Ang Mo Kio was still around on the 3rd, while a male was seen at Lorong Halus on the 11th, followed by another individual at Kranji Marshes on the 17th. Of the five Peregrine Falcons Falco peregrinus recorded, at least two were juveniles. Four Western Ospreys Pandion haliaetus at the northern areas rounded up the migrant raptors for the month.
Highlights for sedentary species:
There were breeding records for four resident species this month. An adult dark morph Changeable Hawk Eagle (CHE) Nisaetus cirrhatus was found sitting on its nest at Kranji Marshes on the 17th, and the next day, the 18th, at Bukit Batok West, a CHE was found lying low on another nest. A family of four Black-winged Kites Elanus caeruleus, with two recently fledged juveniles were recorded at Kranji Marshes on the 18th. A White-bellied Sea Eagle Haliaeetus leucogaster nest, on a metallic comms tower south of Sungei Buloh Wetland Reserve, holding one chick was recorded on the 30th. For the nocturnal raptors, a young chick, covered in white downy feathers, of a pair of Spotted Wood Owls Strix seloputo fell from its nest at Pasir Ris Park on the 23rd, and concerned photographers contacted ACRES, whose staff placed the owlet back into the tree; in addition, another pair with 2 chicks were observed at Bidadari on the 24th.
For other nocturnal raptors, there were two records of the rare Barred Eagle Owl Bubo sumatranus on Pulau Ubin, a juvenile on the 4th and an adult on the 17th. Five Buffy Fish Owls Ketupa ketupu were recorded, one at Ulu Pandan, three at the Botanic Gardens, and a juvenile at Sungei Buloh Wetland Reserve. Two Sunda Scops Owls Otus lempiji were recorded, one at Dairy Farm and another at Pasir Ris. Unfortunately for the Eastern Barn Owl Tyto delicatula, one was found injured at Jurong West on the 28th.
Throughout the month, there were reports of a single Crested Serpent Eagle Spilornis cheela at Goldhill Avenue, but at the end of the month, sharp-eyed Adrian Silas Tay noticed that there were actually two birds. The other sedentary raptors recorded included seven Crested Goshawks, seven Grey-headed Fish Eagles and 17 Brahminy Kites. All in, there were 10 Changeable Hawk-Eagles, eight Black-winged Kites, and eight White-bellied Sea Eagles.
For a pdf version with more details, please click Singapore Raptor Report – March 2018
Compiled by Tan Gim Cheong
Many thanks to everyone who had reported their sightings in one way or another, and also thanks to Feroz Fizah, Tay Kian Guan and Francis Yap for the use of their photos.