Singapore Raptor Report – March 2021

JB,, 190321, Coney, Kelvin Ng Cheng Kwan

Jerdon’s Baza, living up to its alternate name Lizard Hawk, feeding on a Changeable Lizard, Coney Island, 19 Mar 2021, by Kelvin Ng Cheng Kwan

Summary for migrant species:

In March 2021, 210 raptors of eleven migrant species were recorded. A Black Kite fitted with a transmitter was recorded at Dairy Farm Nature Park on the 1st, and Singapore Quarry on the 2nd. The only Eastern Marsh Harrier was recorded on a northeastern island on the 5th, and a Rufous-bellied Eagle at Bukit Timah Nature Reserve on the 6th.

Amazingly, seven Grey-faced Buzzards were reported, one at Kent Ridge Park on the 14th, three on the 15th, two on the 16th, and another at Bukit Timah Nature Reserve on the 16th, all seemingly on passage. Five Jerdon’s Bazas were recorded, one at Changi Business Park on the 8th and up to four at Coney Island from 17th to 19th.

CSH, 170321, Coney, Ash Foo

Chinese Sparrowhawk, immature male, Coney Island, 18 Mar 2021, by Ash Foo

Five Chinese Sparrowhawks were recorded, singles at Ubin on the 6th, Kent Ridge Park on the 17th, Coney Island on the 17th (female) & 18th (male), and Lorong Halus on the 19th. There were also five Western Ospreys at various locations, including Upper Peirce Reservoir Park, and nine Peregrine Falcons. In addition, there were 31 Black Bazas, 43 Japanese Sparrowhawks,and102 Oriental Honey Buzzards.

CSE mating crop, posted 070321, Goldhill, Julian Wong

A pair of Crested Serpent Eagles mating, the 1st mating record for Singapore, Goldhill Avenue, 7 Mar 2021, Julian Wong

Highlights for sedentary species:

At Goldhill Avenue on the 7th, Julian Wong recorded a video of a pair of Crested Serpent Eagles mating – probably the first record of this species mating in Singapore! Breeding-related activities were also noted for four other diurnal resident raptors. At Seletar, where a pair of Black-winged Kites nested, one adult was seen passing a rat to another adult on the 6th, on the 10th two chicks fledged, and on the 25th and 26th, a fledgling was observed taking prey from the adult in mid-air.

BWK, 260321, Seletar, Kelvin Leong, food transfer in flight

A fledgling Black-winged Kite (left) in the process of taking prey from its parent, in mid-air, Seletar, 26 Mar 2021, by Kelvin Leong

At Sungei Buloh Wetland Reserve on the 26th, an adult White-bellied Sea Eagle was sitting on its nest together with two chicks. At Turut Track on the 14th, two Brahminy Kite fledglings were observed. For the Crested Goshawk, the pair at West Coast Park was rebuilding their nest on the 1st and 3rd, and mated on the 4th. At Sin Ming, an adult was sitting on its nest on the 15th, and on the 31st, a chick covered in white down was seen, together with the adult female, in the nest.

WBSE, 130321, SBWR, Lawrence Koh, catch monitor lizard

White-bellied Sea Eagle, caught a young water monitor lizard, SBWR Eagle Point, 13 Mar 2021, by Lawrence Koh

For nocturnal raptors, a Brown Fish Owl was seen feeding its hybrid chick at Hindhede Nature Park on the 3rd, and a Buffy Fish Owl chick at Hampstead Wetlands fledged on the 14th. There were also two Barred Eagle Owls at Rifle Range Link.

In terms of prey items, a Crested Serpent Eagle at Goldhill Avenue caught two Paradise Tree Snakes at one go, on the 4th; and a juvenile water monitor lizard on the 17th. A White-bellied Sea Eagle at SBWR caught a juvenile water monitor lizard on the 13th.

CSE, 040321, Goldhill, SB Lim, same 4

A Crested Serpent Eagle, catching 2 Paradise Tree Snakes (which may have been mating) at a go, Goldhill Avenue, 4 Mar 2021, by SB Lim

All in, there were eight records of the Crested Serpent Eagle at Goldhill Avenue, Ubin, Jalan Gemala 2, Kent Ridge Park and Old Holland Road; ten Grey-headed Fish Eagles; 11 Black-winged Kites; 14 Crested Goshawks; ten Changeable Hawk-Eagles; and two torquatus Oriental Honey Buzzards.

GHFE, 070321, Ulu Pandan, Teo Chee Yong

Grey-headed Fish Eagle, swooping down on a fish, Ulu Pandan, 7 Mar 2021, by Teo Chee Yong

Table 1

Many thanks to everyone who had reported their sightings in one way or another, and especially to Kelvin Ng Cheng Kwan, Julian Wong, Ash Foo, Kelvin Leong, Lawrence Koh, Teo Chee Yong and SB Lim for the use of their photos.

For a pdf version with more details, please click Singapore Raptor Report – March 2021

7 thoughts on “Singapore Raptor Report – March 2021

    1. TAN Gim Cheong Post author

      Hi Adios, you can join the Facebook groups “Singapore Raptors” or “Singapore Birders” and post your raptor sightings there.

      Like

      Reply

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