The sooty-headed bulbul (''Pycnonotus aurigaster'') is a species of

songbird A songbird is a bird belonging to the suborder Passeri of the perching birds (Passeriformes). Another name that is sometimes seen as the scientific or vernacular name is Oscines, from Latin ''oscen'', "songbird". The Passeriformes contains 5,00 ...

in the

Bulbul The bulbuls are members of a family, Pycnonotidae, of medium-sized passerine songbirds, which also includes greenbuls, brownbuls, leafloves, and bristlebills. The family is distributed across most of Africa and into the Middle East, tropic ...

family, Pycnonotidae. It is found in south-eastern Asia. Its natural

habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...

is subtropical or tropical moist lowland

forest A forest is an ecosystem characterized by a dense ecological community, community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, ...

Description

A medium-sized songbird measuring between 18 and 21 centimetres in length with a short crest, the sooty-headed bulbul can be distinguished from the similar

red-vented bulbul The red-vented bulbul (''Pycnonotus cafer'') is a member of the bulbul family of passerines. It is a resident breeder across the Indian subcontinent, including Bangladesh, Sri Lanka extending east to Burma and parts of Bhutan and Nepal. It has b ...

by its tan front, less extensive area of black on its head and gold-colored vent in certain subspecies. Its call is a series of whistled notes similar in tone to that of the red-whiskered bulbul, but delivered in a more hurried manner.

Taxonomy and systematics

The sooty-headed bulbul was originally described in the genus '' Turdus''. Alternate names for the sooty-headed bulbul include the golden-vented bulbul and several names used for other species (black-capped, red-vented, white-eared and yellow-vented bulbul).

Subspecies

Nine

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

are recognized: * ''P. a. chrysorrhoides'' - ( Lafresnaye, 1845): Originally described as a separate species. Found in south-eastern China * ''P. a. resurrectus'' - Deignan, 1952: Found in southern China and north-eastern Vietnam * ''P. a. dolichurus'' - Deignan, 1949: Found in central Vietnam * ''P. a. latouchei'' - Deignan, 1949: Found from eastern Myanmar to southern China and northern

Indochina Mainland Southeast Asia (historically known as Indochina and the Indochinese Peninsula) is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to th ...

* ''P. a. klossi'' - ( Gyldenstolpe, 1920): Found in south-eastern Myanmar and northern Thailand * ''P. a. schauenseei'' - Delacour, 1943: Found in south-eastern Myanmar and northern Thailand * ''P. a. thais'' - ( Kloss, 1924): Found in central and southern Thailand, central Laos * ''P. a. germani'' - ( Oustalet, 1878): Originally described as a separate species in the genus ''

Ixos ''Ixos'' is a genus of passerine birds in the bulbul family, Pycnonotidae. Taxonomy and systematics The genus ''Ixos'' was introduced in 1825 by the Dutch zoologist Coenraad Jacob Temminck to accommodate the Javan bulbul. The genus name is th ...

''. Found in eastern Thailand and southern Indochina * ''P. a. aurigaster'' - (

Vieillot Louis Pierre Vieillot (10 May 1748, Yvetot – 24 August 1830, Sotteville-lès-Rouen) was a French ornithologist. Vieillot is the author of the first scientific descriptions and Linnaean names of a number of birds, including species he collecte ...

, 1818): Found in

Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

and

Bali Bali (English:; Balinese language, Balinese: ) is a Provinces of Indonesia, province of Indonesia and the westernmost of the Lesser Sunda Islands. East of Java and west of Lombok, the province includes the island of Bali and a few smaller o ...

Behavior and ecology

In Hong Kong, the sooty-headed bulbul, whilst not a rarity, is markedly less common than the red-whiskered and light-vented bulbuls. Unlike these two species, it appears to prefer dryland agricultural areas above other habitats, but can also be found in fire-damaged and degraded hill

shrubland Shrubland, scrubland, scrub, brush, or bush is a plant community characterized by vegetation dominance (ecology), dominated by shrubs, often also including grasses, herbaceous plant, herbs, and geophytes. Shrubland may either occur naturally o ...

Distribution and habitat

The sooty-headed bulbul can be found in

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

Cambodia Cambodia, officially the Kingdom of Cambodia, is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. It is bordered by Thailand to the northwest, Laos to the north, and Vietnam to the east, and has a coastline ...

Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

Burma Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and ha ...

, southern

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

Hong Kong Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...

Macao Macau or Macao is a special administrative region of the People's Republic of China (PRC). With a population of about people and a land area of , it is the most densely populated region in the world. Formerly a Portuguese colony, the ter ...

Malaysia Malaysia is a country in Southeast Asia. Featuring the Tanjung Piai, southernmost point of continental Eurasia, it is a federation, federal constitutional monarchy consisting of States and federal territories of Malaysia, 13 states and thre ...

Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...

and

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

. In China, the species is mainly limited to the south of the country, corresponding to the extent of the palaeotropical ecoregion, but the species has been recorded as far north as Shanghai in the east and Chengdu in the west. The bird has a

disjunct distribution In biology, a taxon with a disjunct distribution is one that has two or more groups that are related but considerably separated from each other geographically. The causes are varied and might demonstrate either the expansion or contraction of a s ...

broken into two subpopulations by the

Malay Peninsula The Malay Peninsula is located in Mainland Southeast Asia. The landmass runs approximately north–south, and at its terminus, it is the southernmost point of the Asian continental mainland. The area contains Peninsular Malaysia, Southern Tha ...

, where it does not seem to occur between

Prachuap Khiri Khan province Prachuap Khiri Khan (, ) is one of the western Provinces of Thailand, provinces (''changwat'') of Thailand. It is in the northern part of the Malay Peninsula, some south of Bangkok. Neighboring provinces include Phetchaburi province, Phetchabu ...

in Thailand in the north, and

Kuala Lumpur Kuala Lumpur (KL), officially the Federal Territory of Kuala Lumpur, is the capital city and a Federal Territories of Malaysia, federal territory of Malaysia. It is the largest city in the country, covering an area of with a census population ...

in Malaysia in the south.

Gallery

image:Pycnonotus aurigaster, Sooty-headed bulbul (juvenile) - Huai Kha Khaeng (20786239631).jpg, Juvenile of Sooty-headed Bulbul image:Pycnonotus aurigaster.JPG, Feeding image:Sooty-headed Bulbul.jpg, ''Pycnonotus aurigaster'' image:Sooty-headed Bulbul .jpg, ''Pycnonotus aurigaster''

References

{{Taxonbar, from=Q614824 sooty-headed bulbul Birds of China Birds of Southeast Asia sooty-headed bulbul Taxa named by Louis Pierre Vieillot Taxonomy articles created by Polbot