The Polynesian triller (''Lalage maculosa'') is a
passerine
A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines are distinguished from other orders of birds by th ...
bird
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...
belonging to the
triller genus ''Lalage'' in the
cuckoo-shrike family Campephagidae. It has numerous
subspecies distributed across the islands of the south-west
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
.
It is 15 to 16 cm long. The plumage varies geographically; some populations are contrastingly black and white while others have more grey or brown coloration.
It is a noisy bird with a nasal, rasping call. The
song
A song is a musical composition intended to be performed by the human voice. This is often done at distinct and fixed pitches (melodies) using patterns of sound and silence. Songs contain various forms, such as those including the repetiti ...
is short and high-pitched.
The breeding range extends through
Fiji,
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 ...
,
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 ...
,
Niue
Niue (, ; niu, Niuē) is an island country in the South Pacific Ocean, northeast of New Zealand. Niue's land area is about and its population, predominantly Polynesian, was about 1,600 in 2016. Niue is located in a triangle between Tong ...
,
Wallis and Futuna
Wallis and Futuna, officially the Territory of the Wallis and Futuna Islands (; french: Wallis-et-Futuna or ', Fakauvea and Fakafutuna: '), is a French island collectivity in the South Pacific, situated between Tuvalu to the northwest, Fiji ...
,
Vanuatu
Vanuatu ( or ; ), officially the Republic of Vanuatu (french: link=no, République de Vanuatu; bi, Ripablik blong Vanuatu), is an island country located in the South Pacific Ocean. The archipelago, which is of volcanic origin, is east of no ...
and the
Santa Cruz Islands
The Santa Cruz Islands are a group of islands in the Pacific Ocean, part of Temotu Province of the nation of Solomon Islands discovered by the Spaniards. They lie approximately 250 miles (400 km) to the southeast of the Solomon Island ...
. It occurs in a wide variety of habitats including man-made habitats such as plantations and gardens. It feeds on insects such as
caterpillar
Caterpillars ( ) are the larva, larval stage of members of the order Lepidoptera (the insect order comprising butterfly, butterflies and moths).
As with most common names, the application of the word is arbitrary, since the larvae of sawfly ...
s and also feeds on fruit.
The cup-shaped
nest
A nest is a structure built for certain animals to hold eggs or young. Although nests are most closely associated with birds, members of all classes of vertebrates and some invertebrates construct nests. They may be composed of organic materi ...
is placed in the fork of a tree branch. One or two
eggs
Humans and human ancestors have scavenged and eaten animal eggs for millions of years. Humans in Southeast Asia had domesticated chickens and harvested their eggs for food by 1,500 BCE. The most widely consumed eggs are those of fowl, especial ...
are laid; these are greenish with brown blotches.
Gallery
File:Polytriller abaca jun07.JPG, Subspecies ''L.m. pumila'', Abaca, Viti Levu, Fiji Isles
File:Polytriller savusavu jun08.JPG, Subspecies ''L.m. woodi'', Savusavu, Vanua Levu, Fiji Isles
File:Polytriller taveuni jun08.JPG, Subspecies ''L.m. woodi'', Matei, Taveuni, Fiji Isles
File:Polynesian triller Nukualofa (cropped).jpg, Unknown subspecies, Nuku'alofa, Tonga
Notes
References
*Bregulla, Heinrich L. (1992) ''Birds of Vanuatu'', Anthony Nelson, Oswestry, England.
*Pratt, H. Douglas; Bruner, Philip L. & Berrett, Delwyn G. (1987), ''A Field Guide to the Birds of Hawaii and the Tropical Pacific'', Princeton University Press, Chichester.
{{Taxonbar, from=Q1591898
Polynesian triller
Birds of Vanuatu
Birds of Fiji
Birds of Tonga
Birds of Samoa
Birds of Polynesia
Polynesian triller
Taxa named by Titian Peale