Surniculus lugubris, Thomas Horsfield, 1821
The square-tailed drongo-cuckoo (Surniculus lugubris) is a species of cuckoo that resembles a black drongo. It is found in Sri Lanka and Southeast Asia and is a summer visitor to the Himalayas from Kashmir to eastern Bangladesh. The calls are series of piercing sharp whistles rising in pitch but shrill and choppily delivered.
It can be easily distinguished by its downcurved beak and the white barred vent and outer undertail, and the tail only notched with slightly flared tips. In flight a white wing-stripe is visible from below. It is a brood parasite on small babblers. It is not known how or whether the drongo-like appearance benefits this species but it is suspected that it aids in brood-parasitism just as hawk-cuckoos appear like hawks.
The square-tailed drongo-cuckoo was formerly considered conspecific with the fork-tailed drongo-cuckoo (together known as the Asian drongo-cuckoo), but vocal and morphological differences suggested that the species should be split. That treatment is followed here.
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Category / Seasonal Status
Recorded in an apparently wild state within the last 50 years BCST Category:
BCST Seasonal statuses:
Resident or presumed resident Non-breeding visitor
Kingdom Animalia Phylum Chordata Class Aves Order Cuculiformes Family Cuculidae Genus Surniculus Species Surniculus lugubris
English: Square-tailed drongo-cuckoo Thai: นกคัคคูแซงแซว
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Ban Thi District, Lamphun Bang Lang National Park Bang Pu Recreation Centre Bang Saphan Noi District, Prachuap Khiri Khan Bangkok Province Chiang Dao District, Chiang Mai Chiang Dao Wildlife Sanctuary Chiang Khong District, Chiang Rai Dan Sai District, Loei Doi Inthanon National Park Doi Lang Doi Lo District, Chiang Mai Doi Pha Hom Pok National Park Doi Phu Kha National Park Doi Saket District, Chiang Mai Doi Suthep - Pui National Park Erawan National Park Hala-Bala Wildlife Sanctuary Huai Kha Khaeng Wildlife Sanctuary Kaeng Krachan National Park Khao Ang Rue Nai Wildlife Sanctuary Khao Banthat Wildlife Sanctuary Khao Chong Khao Khitchakut National Park Khao Laem Ya - Mu Ko Samet National Park Khao Lak - Lam Ru National Park Khao Luang National Park Khao Nam Khang National Park Khao Nan National 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 Khlong Saeng Wildlife Sanctuary Khun Chae National Park Khun Nan National Park Klaeng District, Rayong Ko Lanta National Park Kui Buri National Park Mae Moei National Park Mae Ping National Park Mae Rim District, Chiang Mai Mae Sai District, Chiang Rai Mae Wong National Park Mueang Chiang Mai District, Chiang Mai Mueang Chiang Rai District, Chiang Rai Mueang Chumphon District, Chumphon Mueang Khon Kaen District, Khon Kaen Mueang Krabi District, Krabi Mueang Nonthaburi District, Nonthaburi Mueang Pattani District, Pattani Mueang Phatthalung District, Phatthalung Mueang Phuket District, Phuket Nam Nao National Park Namtok Sam Lan National Park Pa Sang District, Lamphun Pai District, Mae Hong Son Pak Thale Pang Sida National Park Phan District, Chiang Rai Phu Hin Rong Kla National Park Phu Khiao Wildlife Sanctuary Phu Suan Sai National Park Phu Toei National Park Phu Wiang National Park Phutthamonthon District, Nakhon Pathom Sai Yok District, Kanchanaburi Sakaerat Environmental Research Station Samae San Island Samut Prakan Province San Kala Khiri National Park Si Racha District, Chonburi Sri Phang-nga National Park Surin Islands Takua Pa District, Phang Nga Tat Mok National Park Tha Yang District, Phetchaburi Thale Ban National Park Tham Sakoen National Park Than Sadet - Koh Pha-Ngan National Park Thap Lan National Park Thung Yai Naresuan Wildlife Sanctuary Ton Nga-Chang Wildlife Sanctuary Ton Pariwat Wildlife Sanctuary Umphang Wildlife Sanctuary Wang Mai Forest Restoration Project Yan Ta Khao District, Trang Range map of Surniculus lugubris in Thailand
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