BIRDINGASIA 35

Black-naped Oriole Oriolus chinensis, Telok Blangah Hill Park, Singapore, by Francis Yap.

CONTENTS

3 BirdingASIA Briefings

5 Conservation Fund

9 Reviews

11 CONSERVATION ALERT
What can save the Lesser Florican Sypheotides indicus?
NIGEL J. COLLAR

22 OBC-FUNDED CONSERVATION
Bangkaru Island: the challenges and successes of protecting one of Indonesia’s last refuges for three Critically Endangered taxa
TOM AMEY

27 ID FORUM
Two unusual monarchids in Penang, Malaysia
HARN SHENG KHOR, DAVID N. BAKEWELL & JAMES A. EATON

31 CONSERVATION UPDATE
IUCN Red List 2020: changes to Asia’s birds
ALEX J. BERRYMAN

38 FIELD STUDY
First observation of sexual conflict and parental infanticide in the Critically Endangered White-bellied Heron Ardea insignis
INDRA P. ACHARJA, SONAM TSHERING, TSHEWANG LHENDUP & THINLEY PHUNTSHO

44 FIELD STUDY
The incredible Nicobar Pigeon Caloenas nicobarica nesting colony on Pulau Jiew, North Maluku, Indonesia
AKHMAD DAVID KURNIA PUTRA, MUFTI ABDUL MURHUN & HANOM BASHARI

50 NEWSFLASH
Helmeted Hornbill Rhinoplax vigil to receive strengthened legal protection in Thailand
ANNA FOURAGE, MAETHINEE PHASSARAUDOMSAK & CHRIS R. SHEPHERD

52 LITTLE-KNOWN ASIAN BIRD
The Black-breasted Parrotbill Paradoxornis flavirostris in Arunachal Pradesh, India
ANWARUDDIN CHOUDHURY

58 Photospot
Invisible Rail Habroptila wallacii

59 FIELD STUDY
An isolated and overlooked population of the Critically Endangered Giant Ibis Thaumatibis gigantea in south-west Cambodia
FRÉDÉRIC GOES & OLIVER ROBERTS

67 TAXONOMIC UPDATE
Taxonomic insights on Asian birds published in 2019
NIGEL J. COLLAR & PAUL F. DONALD

83 NOTEBOOK
Connectivity of Indian Skimmer Rynchops albicollis between Bangladesh and India
PARVEEN SHAIKH & SAYAM U. CHOWDHURY

86 NOTEBOOK
Nest predation by Oriental Pied Hornbills Anthracoceros albirostris in urban Singapore
STACIA LOONG, YONG CHEE KEITA SIN, PHILIP JOHNS, TIM PLOWDEN, DING LI YONG, JESSICA LEE & ANUJ JAIN

92 NOTEBOOK
Terns in the Thai Gulf—a potentially important over-summering area for Aleutian Tern Onychoprion aleuticus and documentation of Thailand’s first Arctic Tern Sterna paradisaea
WICH’YANAN LIMPARUNGPATTHANAKIJ, JIRAYU EKKUL, KRIT ADIREK, RONGRONG ANGKAEW, SMITH SUTIBUT & PHILIP D. ROUND

97 LITTLE-KNOWN ASIAN BIRD
Records of Large Blue-flycatcher Cyornis magnirostris from their non-breeding grounds, March 2011–January 2021
INGKAYUT SA-AR, PINIT CHAIKUN, AYUWAT JEARWATTANAKANOK, KRIT ADIREK, WICH’YANAN LIMPARUNGPATTHANAKIJ, CHANATPORN INTHASAN & SWEN C. RENNER

102 CONSERVATION UPDATE
Online trade records of Grey-backed Myna Acridotheres tricolor may indicate poaching practices in Baluran National Park, East Java, Indonesia
SIMON BRUSLUND, BOYD LEUPEN, KARLINA INDRASWARI & CHRIS R. SHEPHERD

106 NOTEBOOK
Assemblage of birds at an Indian Coral Tree Erythrina variegata in Bangladesh
SAYAM U. CHOWDHURY

111 COUNTRY FIRSTS
First records and additional distribution ranges from Vietnam
LE MANH HUNG, BUI THANH TRUNG, HOANG VAN THANG & PHAM HONG PHUONG

114 COUNTRY FIRSTS
The first records of Common Swift Apus apus in Singapore, with notes on their identification
YONG CHEE KEITA SIN, FRANCIS YAP, MARTIN KENNEWELL & RICHARD WHITE

117 From the field