The Admiralty Islands are an
archipelago
An archipelago ( ), sometimes called an island group or island chain, is a chain, cluster, or collection of islands, or sometimes a sea containing a small number of scattered islands.
Examples of archipelagos include: the Indonesian Archi ...
group of 18
island
An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...
s in the
Bismarck Archipelago
The Bismarck Archipelago (, ) is a group of islands off the northeastern coast of New Guinea in the western Pacific Ocean and is part of the Islands Region of Papua New Guinea. Its area is about 50,000 square km.
History
The first inhabitants o ...
, to the north of
New Guinea
New Guinea (; Hiri Motu
Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea).
It is a simplified version of ...
in the
South Pacific Ocean. These are also sometimes called the Manus Islands, after the largest island.
These rainforest-covered islands form part of
Manus Province, the smallest and least-populous province of
Papua New Guinea
Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...
, in its
Islands Region
The New Guinea Islands Region is one of four regions of Papua New Guinea (PNG), comprising the Bismarck Archipelago and north-western Solomon Islands Archipelago, located north-east of New Guinea island (the mainland).
This is the least populou ...
. The total area is . Many of the Admiralty Islands are
atoll
An atoll () is a ring-shaped island, including a coral rim that encircles a lagoon partially or completely. There may be coral islands or cays on the rim. Atolls are located in warm tropical or subtropical oceans and seas where corals can gr ...
s and uninhabited.
Islands
The larger islands in the center of the group are
Manus Island
Manus Island is part of Manus Province in northern Papua New Guinea and is the largest of the Admiralty Islands. It is the fifth-largest island in Papua New Guinea, with an area of , measuring around . Manus Island is covered in rugged jungles w ...
and
Los Negros Island
Los Negros Island is the third largest of the Admiralty Islands. It is significant because it contains the main airport of Manus Province on its eastern coastline, at Momote. It is connected to Lorengau, the capital of the province, on Manus I ...
. The other larger islands are Tong Island, Pak Island,
Rambutyo Island,
Lou Island
Lou Island is an island of the Admiralty Islands, part of the Bismarck Archipelago, located in northern Papua New Guinea
Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent Stat ...
, and
Baluan Island to the east, Mbuke Island to the south and
Bipi Island
Bipi Island is a flat coral island located off the west coast of the main island of Manus in the Admiralty Group, Papua New Guinea. Adjacent and to the North East of Bipi Island is Sisi Island. Bipi Island consists of three villages, namely Masoh, ...
to the west of Manus Island. Other islands that have been noted as significant places in the history of Manus include Ndrova Island, Pitylu Island and Ponam Island.
Geography

The temperature of the Admiralty Islands varies little throughout the year, reaching daily highs of and at night. Average annual rainfall is and is somewhat seasonal, with June–August being the wettest months.
Manus reaches an elevation of and is volcanic in origin and probably broke through the ocean's surface in the late
Miocene
The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...
, 8–10 million years ago. The substrate of the island is either directly volcanic or from uplifted coral limestone.
The main town in the islands is
Lorengau
Lorengau is the major town in Manus Province, Papua New Guinea. The town is located on the edge of Seeadler Harbour on Manus Island, in the Admiralty Islands, and in 2000 Lorengau was recorded to have a population of 5,829.
History
World War ...
on Manus, connected by road to an airport on nearby
Los Negros Island
Los Negros Island is the third largest of the Admiralty Islands. It is significant because it contains the main airport of Manus Province on its eastern coastline, at Momote. It is connected to Lorengau, the capital of the province, on Manus I ...
, otherwise transport around the islands is by boat. There is little tourism, although the seas are attractive to divers, including
Jean-Michel Cousteau
Jean-Michel Cousteau (born 6 May 1938) is a French oceanographic explorer, environmentalist, educator and film producer. The first son of ocean explorer Jacques Cousteau, he is the father of Fabien Cousteau and Céline Cousteau.
Life and care ...
who spent time on nearby
Wuvulu Island
Wuvulu Island (also known as Mary Island, Matty, Maty Island, Tiger Island, Tiger-Inseln and Wuwulu) is part of the Western Islands of the Bismarck Archipelago in the western Pacific Ocean, part of Manus Province, Papua New Guinea. It is the wes ...
in the 1970s.
Ecology
Due to the isolated location, the rain forests of the Admiralty Islands are home to rare and
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
species of birds, bats and other animals, and are considered a separate
ecoregion
An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of l ...
, the Admiralty Islands lowland rain forests. The majority of the forests on Manus still remain, but some of the smaller islands have been cleared for coconut farming. The typical tree species are various ''
Calophyllum
''Calophyllum'' is a genus of tropical flowering plants in the family Calophyllaceae. They are mainly distributed in Asia, with some species in Africa, the Americas, Australasia, and the Pacific Islands.
History
Members of the genus ''Calophyllu ...
'' and ''
Sararanga'' species.
The Ndrolowa Wildlife Management Area was created in March 1985 south of
Lorengau
Lorengau is the major town in Manus Province, Papua New Guinea. The town is located on the edge of Seeadler Harbour on Manus Island, in the Admiralty Islands, and in 2000 Lorengau was recorded to have a population of 5,829.
History
World War ...
on Manus Island and contains both terrestrial and marine regions. A further protected area has been established around the highest mountain on Manus, Mount Dremsel, but the level of protection remains undetermined in the UNEP World Database on Protected Areas.
Three of the bird species endemic to Admiralty Islands have been listed as
vulnerable in the
IUCN Red List
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...
:
Manus fantail (''Rhipidura semirubra''),
Superb pitta (''Pitta superba'') and
Manus masked owl (''Tyto manusi''). Three other birds are endemic to Admiralty Islands but are classified as non-threatened or least concern:
white-naped friarbird (''Philemon albitorques''),
Manus monarch
The Manus monarch (''Symposiachrus infelix''), also called the Admiralty Islands monarch, the Admiralty monarch, the Admiralty pied monarch, the somber monarch and the unhappy monarch, is a species of bird in the family Monarchidae. It is endemic ...
(''Monarcha infelix'') and
Manus hawk owl (''Ninox meeki''). Birds found mainly but not exclusively on the Admiralty Islands include
Melanesian megapode The Melanesian scrubfowl or Melanesian megapode (''Megapodius eremita'') is a megapode species that is endemic to islands within Melanesia. The Melanesian scrubfowl has a unique strategy of egg incubation in which it relies on environmental heat sou ...
(''Megapodius eremita''),
yellow-bibbed fruit-dove
The yellow-bibbed fruit dove (''Ptilinopus solomonensis'') is a species of bird in the family Columbidae. It is found in the Bismarck and Solomon Islands archipelagos. The Geelvink fruit dove (''P. speciosus'') was formerly considered conspecif ...
(''Ptilinopus solomonensis''),
yellowish imperial-pigeon
The yellowish imperial pigeon (''Ducula subflavescens''), also known as the yellow-tinted imperial pigeon or Bismarck imperial pigeon (leading to easy confusion with '' D. melanochroa''), is a relatively large species of bird in the family Columb ...
(''Ducula subflavescens''),
pied cuckoo-dove
The pied cuckoo-dove (''Reinwardtoena browni'') is a bird species in the family Columbidae. It is endemic to the Bismarck Archipelago.
Formerly classified as a species of least concern by the IUCN, it was suspected to be rarer than generally ass ...
(''Reinwardtoena browni''),
Meek's pygmy parrot (''Micropsitta meeki''),
black-headed white-eye
The Bismarck white-eye or black-headed white-eye (''Zosterops hypoxanthus'') is a species of bird in the family Zosteropidae. It is endemic to the Bismarck Archipelago in Papua New Guinea, where it occurs in New Britain, New Ireland and a number ...
(''Zosterops hypoxanthus'') and
ebony myzomela
The Bismarck black myzomela (''Myzomela pammelaena'') or ebony myzomela, is a species of bird in the Meliphagidae or honeyeater family.
It is native to the Admiralty Islands, Admiralty and St Matthias Islands, St Matthias islands (Bismarck Island ...
(''Myzomela pammelaena'').
Mammals found only here or on nearby island groups include the large
fruit bat
Megabats constitute the family Pteropodidae of the order Chiroptera (bats). They are also called fruit bats, Old World fruit bats, or—especially the genera ''Acerodon'' and ''Pteropus''—flying foxes. They are the only member of the sup ...
s,
Admiralty flying-fox
The Admiralty flying fox (''Pteropus admiralitatum'') is a species of fruit bat in the family Pteropodidae, the megabats. It is found in Papua New Guinea and the Solomon Islands.
Taxonomy and etymology
It was described by British zoologist Old ...
(''Pteropus admiralitatum''), Andersen's naked-backed fruit bat (''Dobsonia anderseni'') and
Seri's sheathtail-bat
Seri's sheath-tailed bat (''Emballonura serii'') is a species of sac-winged bat in the family Emballonuridae. It is found in the Bismarck Archipelago of Papua New Guinea and Yapen Island
Yapen (also Japan, Jobi) is an island of Papua, Indones ...
(''Emballonura serii'') while the two pure-endemics are
Admiralty Island cuscus
The Admiralty Island cuscus or Manus Island spotted cuscus (''Spilocuscus kraemeri'') is a species of marsupial in the family Phalangeridae. It is endemic to the Admiralty Islands of Papua New Guinea. It is the smallest member of the genus ''Spil ...
(''Spilocuscus kraemeri'') and a local
mosaic-tailed rat (''Melomys matambuai'').
The islands are home to two endemic ''
Platymantis'' frogs (''Platymantis admiraltiensis'' and ''Platymantis latro'') and four lizards, while the
emerald green snail of Manus was the first terrestrial snail to be listed as vulnerable by the IUCN.
History
Prehistory
Along with
New Guinea
New Guinea (; Hiri Motu
Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea).
It is a simplified version of ...
, the
Bismarck Archipelago
The Bismarck Archipelago (, ) is a group of islands off the northeastern coast of New Guinea in the western Pacific Ocean and is part of the Islands Region of Papua New Guinea. Its area is about 50,000 square km.
History
The first inhabitants o ...
and the
Solomon Islands Archipelago
The Solomon Islands (archipelago) is an island group in the western South Pacific Ocean, north-east of Australia. The archipelago is in the Melanesian subregion and bioregion of Oceania and forms the eastern boundary of the Solomon Sea. The ...
, the Admiralty Islands were first inhabited approximately 40,000 years ago, in the initial wave of migration out of
Southeast Asia
Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
that also populated
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
. This early society appears to have cultivated
taro
Taro () (''Colocasia esculenta)'' is a root vegetable. It is the most widely cultivated species of several plants in the family Araceae that are used as vegetables for their corms, leaves, and petioles. Taro corms are a food staple in Africa ...
, and to have deliberately introduced wild animals from New Guinea such as
bandicoots and large
rat
Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus ''Rattus''. Other rat genera include ''Neotoma'' ( pack rats), ''Bandicota'' (bandicoot ...
s.
Obsidian
Obsidian () is a naturally occurring volcanic glass formed when lava extrusive rock, extruded from a volcano cools rapidly with minimal crystal growth. It is an igneous rock.
Obsidian is produced from felsic lava, rich in the lighter elements s ...
was gathered and traded throughout the Admiralty Islands archipelago.
The
Lapita
The Lapita culture is the name given to a Neolithic Austronesian people and their material culture, who settled Island Melanesia via a seaborne migration at around 1600 to 500 BCE. They are believed to have originated from the northern Philipp ...
culture arose around 3,500 years ago, and its extent ranged from the Admiralty Islands to
Tonga
Tonga (, ; ), officially the Kingdom of Tonga ( to, Puleʻanga Fakatuʻi ʻo Tonga), is a Polynesian country and archipelago. The country has 171 islands – of which 45 are inhabited. Its total surface area is about , scattered over in ...
and
Samoa
Samoa, officially the Independent State of Samoa; sm, Sāmoa, and until 1997 known as Western Samoa, is a Polynesian island country consisting of two main islands (Savai'i and Upolu); two smaller, inhabited islands (Manono Island, Manono an ...
. Its origins are contested, but it may well have been a product of another wave of migration from Southeast Asia. Lapita society featured renowned
pottery
Pottery is the process and the products of forming vessels and other objects with clay and other ceramic materials, which are fired at high temperatures to give them a hard and durable form. Major types include earthenware, stoneware and por ...
,
stilt houses
Stilt is a common name for several species of birds in the family Recurvirostridae, which also includes those known as avocets. They are found in brackish or saline wetlands in warm or hot climates.
They have extremely long legs, hence the grou ...
, the introduction of domestic animals such as
pig
The pig (''Sus domesticus''), often called swine, hog, or domestic pig when distinguishing from other members of the genus '' Sus'', is an omnivorous, domesticated, even-toed, hoofed mammal. It is variously considered a subspecies of ''Sus s ...
s,
dog
The dog (''Canis familiaris'' or ''Canis lupus familiaris'') is a domesticated descendant of the wolf. Also called the domestic dog, it is derived from the extinct Pleistocene wolf, and the modern wolf is the dog's nearest living relative. Do ...
s, and
chicken
The chicken (''Gallus gallus domesticus'') is a domesticated junglefowl species, with attributes of wild species such as the grey and the Ceylon junglefowl that are originally from Southeastern Asia. Rooster or cock is a term for an adult m ...
s, and substantial developments in agriculture and boat technology, allowing long distance trade to develop. Lapita society, as a distinct culture and extended trade network, collapsed around 2,000 years ago.
[
]
European and Japanese periods
The first Europe
Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
an to visit the islands was the Spanish navigator Álvaro de Saavedra when trying to return from Tidore to New Spain
New Spain, officially the Viceroyalty of New Spain ( es, Virreinato de Nueva España, ), or Kingdom of New Spain, was an integral territorial entity of the Spanish Empire, established by Habsburg Spain during the Spanish colonization of the Am ...
in the summer of 1528. Saavedra charted Manus as ''Urays la Grande''. Its visit was also reported in 1616 by the Dutch navigator Willem Schouten
Willem Cornelisz Schouten ( – 1625) was a Dutch navigator for the Dutch East India Company. He was the first to sail the Cape Horn route to the Pacific Ocean.
Biography
Willem Cornelisz Schouten was born in c. 1567 in Hoorn, Holland, Seven ...
. The name 'Admiralty Islands' was devised by Captain Philip Carteret of the British Royal Navy in 1767.
Between 1884 and 1914 the area was administered as a German colony. In November 1914, the islands were occupied by troops of the Australian Naval and Military Expeditionary Force
The Australian Naval and Military Expeditionary Force (AN&MEF) was a small volunteer force of approximately 2,000 men, raised in Australia shortly after the outbreak of World War I to seize and destroy German wireless stations in German New Guin ...
landed from the SS ''Siar''. A few shots fired from a machine gun on ''Siar'' over the heads of the tiny German garrison at Lorengau
Lorengau is the major town in Manus Province, Papua New Guinea. The town is located on the edge of Seeadler Harbour on Manus Island, in the Admiralty Islands, and in 2000 Lorengau was recorded to have a population of 5,829.
History
World War ...
were the last shots fired in the battle. After the war, the islands were governed by the Commonwealth of Australia under a League of Nations mandate
A League of Nations mandate was a legal status for certain territories transferred from the control of one country to another following World War I, or the legal instruments that contained the internationally agreed-upon terms for administ ...
.
Japanese troops landed on Manus Island
Manus Island is part of Manus Province in northern Papua New Guinea and is the largest of the Admiralty Islands. It is the fifth-largest island in Papua New Guinea, with an area of , measuring around . Manus Island is covered in rugged jungles w ...
on 7 April 1942. In 1944, Japanese forces occupying the islands were attacked and defeated by Allied
An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...
forces in Operation Brewer. Subsequently, a large American
American(s) may refer to:
* American, something of, from, or related to the United States of America, commonly known as the "United States" or "America"
** Americans, citizens and nationals of the United States of America
** American ancestry, pe ...
airbase and Manus Naval Base
Manus Naval Base, Naval supply depot with piers and quonset Hut warehouses on September 18, 1945
Manus Naval Base was a number of bases built after the World War II Battle of Manus by United States Navy on the Manus Island and a smaller isla ...
was built at Lombrum near Lorengau.
Independence
Following Papuan independence in 1975, the Admiralty Islands became part of Papua New Guinea
Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...
.
They became the Manus Province of the Islands Region
The New Guinea Islands Region is one of four regions of Papua New Guinea (PNG), comprising the Bismarck Archipelago and north-western Solomon Islands Archipelago, located north-east of New Guinea island (the mainland).
This is the least populou ...
in Papua New Guinea.
See also
*Admiralty (disambiguation)
Admiralty most often refers to:
*Admiralty, Hong Kong
* Admiralty (United Kingdom), military department in command of the Royal Navy from 1707 to 1964
*The rank of admiral
* Admiralty law
Admiralty can also refer to:
Buildings
*Admiralty, Tr ...
* Admiralty Islands languages
*US Naval Advance Bases
US Naval Advance Bases were built globally by the United States Navy during World War 2, World War II to support and project U.S. naval operations world-wide. A few were built on Allies of World War II, allied soil, but most were captured enemy f ...
Notes
References
*
External links
*
*
{{Authority control
Bismarck Archipelago
Archipelagoes of Papua New Guinea
Manus Province
Islands Region (Papua New Guinea)
Tropical and subtropical moist broadleaf forests
Australasian ecoregions
Archipelagoes of the Pacific Ocean
Archipelagoes of Oceania
Volcanoes of Papua New Guinea