Greater Coucal
Photo © Dan Vickers
Photo © Dan Vickers — CC BY 4.0 — Source: iNaturalist #346086227Identification
The greater coucal is a large species of cuckoo, measuring 48 cm, with distinctive plumage that has earned it the alternative name "crow pheasant." The head is black, and the upper mantle and underside are glossed with purple-black, while the back and wings display striking chestnut brown coloring. Most striking are its ruby-red eyes, which stand out against the dark head. Juveniles are duller, with spots on the crown and whitish bars on the underside and tail. Females are slightly larger than males, though the sexes are otherwise similar in plumage. Several geographic races exist across its range, with some variations in size and coloration; notably, the southern Indian race has a more brownish face and throat with blue-glossed underparts.
Range & Habitat
The greater coucal is a widespread resident throughout the Indian subcontinent and Southeast Asia. The nominate race ranges from the Indus Valley through the sub-Himalayan and Gangetic plains, Nepal, and Assam into southern China. Other races are distributed across peninsular India, Bangladesh, Myanmar, Thailand, Indochina, the Malay Peninsula, and various Southeast Asian islands including Sumatra, Java, Bali, Borneo, and the Philippines. These birds thrive in a remarkable variety of habitats, from dense jungle and cultivation to urban gardens, demonstrating considerable adaptability to human-modified landscapes.
Behaviour & Diet
The greater coucal is a weak flier and is more often observed clambering through vegetation or walking on the ground while foraging. Its diet is diverse and opportunistic, including insects, caterpillars, snails, and small vertebrates. The birds also consume bird eggs and nestlings, fruits, and seeds, making them occasional agricultural pests in oil palm plantations. They are most active during the warm hours of morning and late afternoon, and often sunbathe singly or in pairs with wings spread on top of vegetation.
The species is famous for its distinctive vocalizations: a deep, resonant booming call of repeated "coop-coop-coops" with variations, rapid rattling sounds, harsh scolding notes, and hissing threat calls. These calls have cultural significance and are associated with various omens throughout its range. Males and females duet together, with females producing lower-pitched calls.
Best Time & Places to See It
The breeding season varies by location but generally occurs chiefly from June to September, with some populations breeding after the monsoon. The birds are most active during warm daylight hours, making early morning and late afternoon the best times for observation. Their presence in gardens and cultivated areas as well as wild habitats makes them accessible to travelers across their extensive range throughout the Indian subcontinent and Southeast Asia.
Photography Tips
Photographing the greater coucal's ruby-red eyes against its glossy black head offers striking portrait opportunities. Early morning when birds sunbathe with wings spread provides excellent lighting and behavior shots. Their ground-feeding habits and clambering movements through dense vegetation require patience and positioning. The chestnut-brown wings contrast vividly with the dark head and body, so backlighting and side angles will emphasize this coloration. Listen for their distinctive booming call to locate them, and be prepared for the bird's relatively weak flight and preference for moving through cover rather than open perches.
Lunugamvehera National Park
Sri Lanka
+204 birds+14 mammals
Dry scrubland and shallow wetlands converge in Sri Lanka's southeastern lowlands, where Lunugamvehera National Park anchors one of the island's most ecologically vital landscapes. The park's…
VIEW NATIONAL PARKMinneriya National Park
Sri Lanka
+158 birds+9 mammals
Across the dry zone of Sri Lanka's North Central Province spreads a landscape of shallow tanks, grassland margins, and scattered dry forest—a mosaic of water and…
VIEW NATIONAL PARKWasgamuwa National Park
Sri Lanka
+156 birds+8 mammals
Dry deciduous forest and open grassland sweep across the North Central lowlands where Wasgamuwa National Park protects one of Sri Lanka's largest remaining tracts of this…
VIEW NATIONAL PARKAngamedilla National Park
Polonnaruwa, Sri Lanka
+40 birds+2 mammals
Ancient tanks and sal forests define this water-rich sanctuary in Sri Lanka's North Central heartland, where seasonal wetlands and dry deciduous woodland create a mosaic of…
VIEW NATIONAL PARKMaduru Oya National Park
Sri Lanka
+74 birds+1 mammals
Granite ridges rise abruptly from the humid lowlands of Sri Lanka's Uva Province, their weathered slopes clothed in dry monsoon forest and scattered woodland where deciduous…
VIEW NATIONAL PARKLangtang National Park
Helambu, Nepal
+364 birds+14 mammals
Where the southern slopes of the Himalayan highlands descend toward the subtropical valleys of central Nepal, Langtang National Park sprawls across one of the subcontinent's most…
VIEW NATIONAL PARKOrang National Park
Rangagarapathar, India
+298 birds+1 mammals
Where the Brahmaputra's floodplains meet the foothills of Assam, Orang National Park unfolds across a mosaic of riverine grasslands, forests and wetlands that pulse with the…
VIEW NATIONAL PARKIndravati National Park
Bijapur, India
+41 birds
Where the Indravati River cuts through the elevated plateaus of central India, a landscape of deciduous forest and open woodland unfolds across Bijapur district in Chhattisgarh.…
VIEW NATIONAL PARKEravikulam National Park
Devikulam, India
+192 birds+7 mammals
High in the Western Ghats of Kerala, where monsoon mists cling to slopes that rise above 2,000 metres, Eravikulam National Park preserves one of South India's…
VIEW NATIONAL PARKPhou Khao Khouay National Protected Area
Thaphabath District, Thailand
+113 birds
Where the Annamite Mountains descend into central Thailand's monsoon forests, Phou Khao Khouay National Protected Area sprawls across rugged limestone terrain interlaced with river valleys and…
VIEW NATIONAL PARKMu Ko Ang Thong National Park
Thailand
+47 birds+1 mammals
Forty-two limestone islands rise from the Gulf of Thailand, their weathered karst peaks piercing emerald waters in a landscape of stunning geological drama. Mu Ko Ang…
VIEW NATIONAL PARKHat Noppharat Thara-Mu Ko Phi Phi National Park
Ao Nang, Thailand
+253 birds+9 mammals
Where limestone karsts rise dramatically from turquoise waters, Hat Noppharat Thara-Mu Ko Phi Phi National Park unfolds across a mosaic of beach, mangrove forest, and island…
VIEW NATIONAL PARKKhao Yai National Park
Prachantakham District, Thailand
+377 birds+46 mammals
Evergreen dipterocarp forest blankets the rolling terrain of this national park in eastern Thailand, where limestone hills rise abruptly from the forest floor and seasonal streams…
VIEW NATIONAL PARKMu Ko Similan National Park
Lam Kaen, Thailand
+82 birds+1 mammals
Granite islands rise from the Andaman Sea in a scattered archipelago where limestone cliffs meet turquoise shallows, their steep faces weathered into caves and overhangs that…
VIEW NATIONAL PARKKhao Laem Ya-Mu Ko Samet National Park
Mueang Rayong District, Thailand
+159 birds+3 mammals
Where limestone hills meet the Gulf of Thailand, Khao Laem Ya–Mu Ko Samet National Park stitches together a mosaic of terrestrial and marine worlds that few…
VIEW NATIONAL PARKKhao Laem National Park
Sangkhla Buri District, Thailand
+197 birds
Where the Vajiralongkorn Reservoir sprawls across the forested valleys of Kanchanaburi's northern borderlands, Khao Laem National Park protects a landscape where limestone ridges rise dramatically from…
VIEW NATIONAL PARKMount Nanling Forest Park
Ruyang Forest Farm, China
+179 birds+3 mammals
Granite ridges and weathered peaks rise through a canopy of subtropical montane forest where Ruyang Forest Farm anchors one of southern China's most biodiverse landscapes. Across…
VIEW FOREST & JUNGLEKanha Tiger Reserve
Kanha Kisli F.V., India
+321 birds+23 mammals
Where sal forests give way to emerald meadows and crystalline streams carve through ancient valleys, one of India's finest wilderness reserves unfolds across the Maikal Range.…
VIEW NATIONAL PARKBandhavgarh National Park
Garhpuri, India
+285 birds+17 mammals
Where granite ridges rise dramatically above sal and bamboo forests, one of India's most pristine tiger reserves unfolds across the Vindhyan plateau. Ancient rock formations tower…
VIEW NATIONAL PARKPanna National Park
Badgadi Kalan, India
+271 birds+17 mammals
Where granite gorges slice through central India's Vindhyan plateau, a landscape of stark beauty unfolds across nearly six hundred square kilometers. The Ken River carves through…
VIEW NATIONAL PARKKaziranga National Park
Kohora, India
+422 birds+26 mammals
Dawn breaks over the floodplains of the Brahmaputra, where tall grasslands stretch endlessly beneath monsoon-heavy skies. This sprawling wilderness of northeastern Assam is a mosaic of…
VIEW NATIONAL PARKKeoladeo National Park
Shreenagar Rural, India
+326 birds+14 mammals
Where shallow wetlands shimmer beneath vast Rajasthani skies, one of Asia's finest bird sanctuaries pulses with extraordinary life. This former maharaja's hunting reserve, now spanning 29…
VIEW NATIONAL PARKPeriyar National Park
Mlappara, India
+232 birds+4 mammals
Dawn breaks over mist-shrouded ridges where the Western Ghats tumble toward Kerala's spice-scented lowlands. Here, ancient tropical forests envelope a glittering artificial lake, creating a mosaic…
VIEW NATIONAL PARKPampadum Shola National Park
Vattavada, India
+258 birds+14 mammals
Where misty shola forests cling to the high plateaus of the Nilgiri Mountains, ancient evergreen remnants create a world apart. This 2,316-hectare reserve protects one of…
VIEW NATIONAL PARKBandipur National Park
Hirehalli, India
+302 birds+19 mammals
Where the Western Ghats descend into the Deccan plateau, ancient deciduous forests blanket a landscape carved by the Nugu River. Bandipur unfolds across 880 square kilometres…
VIEW NATIONAL PARKNagarahole Tiger Reserve
Nalkeri Forest, India
+323 birds+23 mammals
Where granite escarpments rise above dense deciduous forests and the Kabini River carves through pristine wilderness, one of India's most biodiverse landscapes unfolds across the Western…
VIEW NATIONAL PARKKuching Wetlands National Park
Kuching, Malaysia
+103 birds+4 mammals
Where brackish waters meet mangrove stilts and freshwater swamps blend into coastal mudflats, one of Southeast Asia's most dynamic wetland ecosystems unfolds across Sarawak's northwestern coast.…
VIEW NATIONAL PARKTaman Negara National Park
Kampong Samas, Malaysia
+393 birds+48 mammals
Where ancient rainforest meets limestone peaks, one of Southeast Asia's oldest protected wilderness preserves sprawls across 4,343 square kilometers of primordial landscape. Dipterocarp giants tower overhead,…
VIEW NATIONAL PARKTaman Negara Bukit Lambir National Park
Miri, Malaysia
+153 birds+7 mammals
Rainforest cascades down sandstone ridges where crystal streams carve through ancient geology, creating a landscape of profound biological richness in Sarawak's interior. This 68-square-kilometre sanctuary protects…
VIEW NATIONAL PARKGunung Mulu National Park
Long Seridan, Malaysia
+280 birds+39 mammals
Where granite monoliths pierce the rainforest canopy of Sarawak, an ancient limestone karst landscape reveals one of Southeast Asia's most biodiverse strongholds. Soaring peaks cloaked in…
VIEW NATIONAL PARKTaman Nasional Baluran
Situbondo, Indonesia
+189 birds+9 mammals
Across the northeastern tip of East Java, where monsoon winds sweep down from the Bali Strait, a landscape of contrasts unfolds within 374 square kilometres of…
VIEW NATIONAL PARKTaman Nasional Meru Betiri
Jember, Indonesia
+93 birds+1 mammals
Across East Java's southeastern coast, where the Indian Ocean meets a landscape of volcanic soils and monsoon-fed forests, sprawls a national park that epitomizes the ecological…
VIEW NATIONAL PARKWest Bali National Park
Gerokgak, Indonesia
+240 birds+8 mammals
Across West Bali's northwestern reaches, where the Indian Ocean meets volcanic slopes and limestone cliffs plunge toward turquoise shallows, sprawls a protected realm of roughly 325…
VIEW NATIONAL PARKGunung Ciremai National Park
Majalengka, Indonesia
+116 birds+1 mammals
Volcanic slopes rise sharply from West Java's interior, where Gunung Ciremai's 3,078-metre summit dominates a landscape carved by geological upheaval and shaped by equatorial monsoon rainfall.…
VIEW NATIONAL PARKMount Merapi National Park
Hargobinangun, Indonesia
+150 birds+3 mammals
Where the volcanic slopes of central Java rise into mist and montane forest, Mount Merapi National Park guards one of Indonesia's most dynamic landscapes. Spanning roughly…
VIEW NATIONAL PARKKerinci Seblat National Park
Kerinci, Indonesia
+228 birds+16 mammals
Across nearly 67,000 square kilometres of Sumatra's spine, a mountainous realm of equatorial rainforest rises from steaming lowlands to volcanic peaks shrouded in cloud. Kerinci Seblat…
VIEW NATIONAL PARKGunung Palung National Park
Kayong Utara, Indonesia
+38 birds+1 mammals
Rainforest swells across the steep terrain of West Kalimantan, where ancient volcanic ridges rise abruptly from lowland swamps and weathered plateaus. Gunung Palung National Park encompasses…
VIEW NATIONAL PARKWay Kambas National Park
Lampung Timur, Indonesia
+237 birds+20 mammals
Across the low swamplands of eastern Lampung, where freshwater wetlands merge into tidal mangrove forests along the Sunda Strait, sprawls one of Sumatra's most vital sanctuaries.…
VIEW NATIONAL PARKGir National Park
Asundrali, India
+258 birds+13 mammals
Dry deciduous forests cloak the rolling hills of western Gujarat where the Gir landscape rises as a final sanctuary for one of the world's rarest felids:…
VIEW NATIONAL PARKHainan Tropical Rainforest National Park
Haikou, China
+69 birds+1 mammals
Tropical forests blanket the volcanic slopes of central Hainan, where moisture-laden winds from the South China Sea collide with mountainous terrain to create some of China's…
VIEW NATIONAL PARKPoyang Lake National Nature Reserve
Shangrao, China
+270 birds+7 mammals
Where the Yangtze River's massive floodplain spreads across central China, Poyang Lake National Nature Reserve encompasses one of the continent's most dynamic and water-rich wetland systems.…
VIEW NATURE RESERVEXishuangbanna National Nature Reserve
Xishuangbanna Dai Autonomous Prefecture, China
+173 birds+2 mammals
Where subtropical monsoon forests meet the margins of the Yunnan plateau, Xishuangbanna National Nature Reserve sprawls across a landscape of dramatic relief—deep river valleys carved by…
VIEW NATURE RESERVEGaoligong Mountain National Nature Reserve
Nujiang Lisu Autonomous Prefecture, China
+443 birds+13 mammals
VIEW NATURE RESERVENo community photos yet. Log in to add the first one.
No community observations of this species yet.