In Thai: นกจับแมลงจุกดำ, nok jap malaeng juk dam
Binomial name: Hypothymis azurea, Pieter Boddaert, 1783
The black-naped monarch or black-naped blue flycatcher (Hypothymis azurea) is a slim and agile passerine bird belonging to the family of monarch flycatchers. They are sexually dimorphic with males having a distinctive black patch on the back of the head and a narrow black half collar ("necklace") while the female is duller and lacks the black markings. They have a call that is similar to that of the Asian paradise flycatcher and in tropical forest habitats pairs may join mixed-species foraging flocks. Populations differ slightly in plumage colour and sizes.
The adult male black-naped monarch is about 16 cm long, and is mainly pale azure blue apart from a whitish lower belly. It has a black nape and a narrow black gorget. The female is duller and lacks the black markings. Her wings and back are grey-brown. There are however several geographically separated breeding populations that differ in the extent and shade of markings. The Indian peninsula (includes sykesi of Stuart Baker) has subspecies styani which has the black markings very distinct. Males of the Sri Lankan race H. a. ceylonensis lack the black nape and gorget and the shade is more purplish. The subspecies of the Andaman Islands, tytleri, has the underparts blue grey. The form on Car Nicobar Island idiochroa has a greyish white belly while nicobarica from the southern Nicobars has a smaller and finer bill. The colour of the gape is yellowish to green.
Distribution and habitat
The black-naped monarch breeds across tropical southern Asia from India and Sri Lanka east to Indonesia and the Philippines. This species is usually found in thick forests and other well-wooded habitats.
The calls are a sharp and abrupt skrip.
The main breeding season in India is in summer from May to July. Two to three eggs are laid in a cup nest placed in the fork of a tree. The nest is decorated with spider egg-cases.
Behaviour and ecology
The black-naped monarch has short legs and sits very upright whilst perched prominently, like a shrike. It is insectivorous, often hunting by flycatching. When alarmed or alert, the nape feathers are raised into a pointed crest. They will join mixed-species foraging flocks and are active in the understory of the canopy.
Although they are largely residents, local seasonal movements are known. The breeding season in India is March to August and the nest is neat cup placed in a fork. The nest is built by the female while the male guards. The typical clutch is of three eggs with both parents incubate and feed the young which hatch after about 12 days.
The webs of large spiders such as Nephila maculata have been know to trap the bird.
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Kingdom Animalia Phylum Chordata Class Aves Order Passeriformes Family Monarchidae Genus Hypothymis Species Hypothymis azurea
Thai: นกจับแมลงจุกดำ, nok jap malaeng juk dam
Hypothymis azurea abbotti, Charles Wallace Richmond, 1902
Range: Reusam and Babi islands
Hypothymis azurea aeria, Outram Bangs & James Lee Peters, 1927
Range: Maratua Island
Hypothymis azurea consobrina, Charles Wallace Richmond, 1902
Range: Simeulue Island
Hypothymis azurea forrestia, Harry Church Oberholser, 1911
Range: Mergui Archipelago
Hypothymis azurea galerita, Herbert Girton Deignan, 1956
Hypothymis azurea gigantoptera, Harry Church Oberholser, 1911
Hypothymis azurea javana, Frederick Nutter Chasen & Cecil Boden Kloss, 1929
Range: Java and Bali.
Hypothymis azurea karimatensis, Frederick Nutter Chasen & Cecil Boden Kloss, 1932
Range: Karimata Island
Hypothymis azurea leucophila, Harry Church Oberholser, 1911
Range: Siberut Island
Hypothymis azurea montana, Joseph Harvey Riley, 1929
Hypothymis azurea oberholseri, Erwin Stresemann, 1913
Hypothymis azurea opisthocyanea, Harry Church Oberholser, 1911
Range: Anamba Island
Hypothymis azurea penidae, Wilhelm Meise, 1941
Range: Penida Island
Hypothymis azurea prophata, Harry Church Oberholser, 1911
Range: Peninsular Malaysia, Sumatra and Borneo.
Hypothymis azurea richmondi, Harry Church Oberholser, 1911
Range: Enggano Island
Hypothymis azurea symmixta, Erwin Stresemann, 1913
Range: Lesser Sundas.
Least Concern (IUCN3.1)
Black-naped monarch couple
Black-naped monarch couple (male)
Black-naped monarch couple (nesting)
Black-naped monarch couple (male)
Hypothymis azurea - Kaeng Krachan National Park
Black-naped monarch distribution map
Ao Phang-Nga National Park Ban Hong Non-Hunting Area Ban Laem District, Phetchaburi Ban Lat District, Phetchaburi Ban Phai District, Khon Kaen Ban Pho District, Chachoengsao Bang Lamung District, Chonburi Bang Lang National Park Bang Pahan District, Phra Nakhon Si Ayutthaya Bang Phra Non-Hunting Area Bang Pu Recreation Centre Bang Saphan Noi District, Prachuap Khiri Khan Bangkok Province Bueng Boraped Non-Hunting Area Bueng Khong Long Non-Hunting Area Chae Son National Park Chaiya District, Surat Thani Chaloem Phra Kiat District, Saraburi Chaloem Phrakiat Thai Prachan National Park Chaloem Rattanakosin National Park Chiang Dao District, Chiang Mai Chiang Dao Wildlife Sanctuary Chiang Khong District, Chiang Rai Chiang Saen District, Chiang Rai Doi Chong National Park Doi Inthanon National Park Doi Khun Tan National Park Doi Lang Doi Lo District, Chiang Mai Doi Pha Hom Pok National Park Doi Phu Kha National Park Doi Suthep-Pui National Park Erawan National Park Fang District, Chiang Mai Hala-Bala Wildlife Sanctuary Hang Chat District, Lampang Hua Hin District, Prachuap Khiri Khan Huai Kha Khaeng Wildlife Sanctuary Huai Sala Wildlife Sanctuary Kaeng Khoi District, Saraburi Kaeng Krachan District, Phetchaburi Kaeng Krachan National Park Kaeng Krung National Park Kaeng Som Maew Queen Sirikit Forest Park Kamphaeng Saen District, Nakhon Pathom Kanthararom District, Sisaket Khao Ang Rue Nai Wildlife Sanctuary Khao Banthat Wildlife Sanctuary Khao Chamao - Khao Wong National Park Khao Khitchakut National Park Khao Laem National Park Khao Laem Ya National Park Khao Lak - Lam Ru National Park Khao Luang National Park Khao Nam Khang National Park Khao Nan National Park Khao Nang Panthurat Forest Park Khao Phanom Bencha National Park Khao Phra - Bang Khram Wildlife Sanctuary Khao Sam Roi Yot National Park Khao Soi Dao Wildlife Sanctuary Khao Sok National Park Khao Yai National Park Khao Yoi District, Phetchaburi Khlong Lan National Park Khlong Saeng Wildlife Sanctuary Khon San District, Chaiyaphum Khuan Khanun District, Phatthalung Khun Chae National Park Khun Korn Forest Park Khun Nan National Park Khun Tan District, Chiang Rai Khura Buri District, Phang Nga Klaeng District, Rayong Ko Chang District, Trat Ko Lanta National Park Ko Phra Thong Ko Sichang District, Chonburi Kromluang Chumphon Wildlife Sanctuary Kui Buri National Park Laem Ngop District, Trat Laem Pak Bia Lam Nam Kok National Park Lam Nam Nan National Park Mae Ai District, Chiang Mai Mae Chan District, Chiang Rai Mae Charim National Park Mae Fa Luang District, Chiang Rai Mae Moei National Park Mae Ngao National Park Mae Ping National Park Mae Rim District, Chiang Mai Mae Sot District, Tak Mae Taeng District, Chiang Mai Mae Wong National Park Mu Ko Chang National Park Muak Lek District, Saraburi Mueang Chiang Mai District, Chiang Mai Mueang Chiang Rai District, Chiang Rai Mueang Chonburi District, Chonburi Mueang Chumphon District, Chumphon Mueang Kamphaeng Phet District, Kamphaeng Phet Mueang Khon Kaen District, Khon Kaen Mueang Krabi District, Krabi Mueang Lampang District, Lampang Mueang Loei District, Loei Mueang Maha Sarakham District, Maha Sarakham Mueang Nakhon Nayok District, Nakhon Nayok Mueang Nakhon Pathom District, Nakhon Pathom Mueang Nakhon Ratchasima District, Nakhon Ratchasima Mueang Nan District, Nan Mueang Pathum Thani District, Pathum Thani Mueang Phang Nga District, Phang Nga Mueang Phetchaburi District, Phetchaburi Mueang Samut Sakhon District, Samut Sakhon Mueang Sukhothai District, Sukhothai Mueang Suphanburi District, Suphan Buri Mueang Tak District, Tak Nam Nao National Park Nam Phong National Park Namtok Sam Lan National Park Nong Bong Khai Non-Hunting Area Nong Saeng District, Udon Thani Nong Ya Plong District, Phetchaburi Ob Khan National Park Omkoi Wildlife Sanctuary Pachee River Wildlife Sanctuary Pae Mueang Pee Forest Park Pai District, Mae Hong Son Pak Kret District, Nonthaburi Pak Thale Pang Sida National Park Pang Sila Thong District, Kamphaeng Phet Pha Daeng National Park Pha Hin Ngam National Park Pha Nam Yoi Forest Park Pha Taem National Park Phan District, Chiang Rai Phato District, Chumphon Pho Prathap Chang District, Phichit Phra Nakhon Si Ayutthaya District, Phra Nakhon Si Ayutthaya Phu Chong Na Yoi National Park Phu Foi Lom National Park Phu Hin Rong Kla National Park Phu Khiao Wildlife Sanctuary Phu Kradueng National Park Phu Langka National Park Phu Luang Wildlife Sanctuary Phu Pha Thoep National Park Phu Phan National Park Phu Ruea National Park Phu Sa Dok Bua National Park Phu Soi Dao National Park Phu Suan Sai National Park Phu Toei National Park Phu Wiang National Park Phu Wua Wildlife Sanctuary Phutthamonthon District, Nakhon Pathom Ramkhamhaeng National Park Rattanaburi District, Surin Sai Yok District, Kanchanaburi Sai Yok National Park Sakaerat Environmental Research Station Salak Pra Wildlife Sanctuary Salawin National Park Samut Prakan Province San Kala Khiri National Park Sanam Bin Reservoir Non-Hunting Area Sanam Chai Khet District, Chachoengsao Sangkhla Buri District, Kanchanaburi Si Racha District, Chonburi Si Sawat District, Kanchanaburi Sri Nakarin Dam National Park Sri Phang-nga National Park Su-ngai Kolok District, Narathiwat Ta Phraya National Park Tai Rom Yen National Park Taksin Maharat National Park Taphan Hin District, Phichit Tarutao National Marine Park Tat Mok National Park Tat Ton National Park Tha Yang District, Phetchaburi Thale Ban National Park Tham Pratun Non-Hunting Area Thap Lan National Park Thong Pha Phum National Park Thung Salaeng Luang National Park Thung Yai Naresuan Wildlife Sanctuary Ton Nga-Chang Wildlife Sanctuary Ton Pariwat Wildlife Sanctuary Umphang Wildlife Sanctuary Wang Mai Forest Restoration Project Wang Saphung District, Loei Wat Phai Lom & Wat Ampu Wararam Non-Hunting Area Wiang Kaen District, Chiang Rai Wiang Lo Wildlife Sanctuary Yan Ta Khao District, Trang Range map of Hypothymis azurea in Thailand
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