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Monarchidae
00000009978
Black-faced Monarch (Monarcha melanopsis)
Scientific Classification
Kingdom Animalia
Class Aves
Order Passeriformes
Passeri
Family Monarchidae

Monarchidae or monarch flycatchers, is a comprise family of passerines which includes boatbills, shrikebills, paradise flycatchers, and magpie-larks.

Monarchids are small insectivorous songbirds with long tails. They inhabit forest or woodland across sub-Saharan Africa, southeast Asia, Australasia and a number of Pacific islands. Only a few species migrate. Many species decorate their cup-shaped nests with lichen.

Morphology and Description

The monarch flycatchers are a diverse family of passerine birds that are generally arboreal (with the exception of the magpie-larks). They are mostly slim birds and possess broad bills. The bills of some species are quite large; the boatbills of the genus Machaerirhynchus are very broad and flat, and the heavy-set bills of the shrikebills are used to probe dead wood and leaves. The plumage of the family ranges from sombre, like the almost monochrome black monarch, to spectacular, like the golden monarch. The tails are generally long and spectacularly so in the paradise flycatchers in the genus Terpsiphone. Sexual dimorphism in plumage can be subtle, as in the paperbark flycatcher, where the female is identical to the male except for a slight buff on the throat; striking, as in the Chuuk monarch where the male almost entirely white and the female entirely black; or non-existent, as in the Tahiti monarch. In some species, for example the Malagasy paradise flycatcher, the males have two or more color morphs.

Distribution, Habitat and Movements

The monarch flycatchers have a mostly Old World distribution. In the western end of their range they are distributed through sub-Saharan Africa, Madagascar and the islands of the tropical Indian Ocean. They also occur in South and Southeastern Asia, north to Japan, down to New Guinea and most of Australia. The family has managed to reach many Pacific islands, and several endemic genera occur across Micronesia, Melanesia and [wikipedia:Polynesia|Polynesia]] as far as Hawaii and the Marquesas.

The paradise flycatchers of the genus Terpsiphone have the widest distribution of any of the monarch flycatchers, ranging almost all of sub-Saharan Africa, Madagascar, the Mascarenes and Seychelles, South, East and Southeastern Asia as far as Korea, Afghanistan, the Philippines and the Lesser Sundas. The other paradise flycatcher genus, Trochocercus, is restricted to Africa. The other exclusively Asian genus is the Hypothymis monarchs. The remaining genera are predominantly found in the Austro-Papuan and Oceania regions. A few monotypic genera are restricted to Pacific island; these include the silktail (Lamprolia) in Fiji, the Chuuk monarch (Metabolus) in the Micronesian island of Chuuk, the Hawaiian ‘Elepaio (Chasiempis) and the buff-bellied monarch (Neolalage) which is restricted to the islands of Vanuatu. Other Pacific genera are the shrikebills (Clytorhynchus), the Mayrornis monarchs, both of which are found in Melanesia and west Polynesia, and the Pomarea monarchs which are exclusively Polynesian in origin.

The majority of the family is found in forest and woodland habitats. Species that live in more open woodlands tend to live in the higher levels of the trees but, in denser forest, live in the middle and lower levels. Other habitats used by monarch flycatchers include savannah and mangroves, and the terrestrial magpie-lark occurs in most Australian habitats except the driest deserts.

While the majority of monarch flycatchers are resident, a few species are partially migratory and one, the satin flycatcher, is fully migratory, although the Japanese paradise flycatcher is almost entirely migratory. The African paradise flycatcher makes a series of poorly understood intra-African migratory movements.

Breeding

The monarch flycatchers are generally monogamous, with the pair bonds ranging from just a single season (as in the African paradise flycatcher) to life (the ‘Elepaio). Only three species are known to engage in cooperative breeding; but many species are as yet unstudied. They are generally territorial, defending territories that are around 2 ha in size, but a few species may cluster their nesting sites closely together. Nesting sites may also be chosen close to aggressive species, for example leaden flycatchers nests may be located near the nests of the aggressive noisy friarbird. The nests are in turn often aggressively defended by monarch flycatchers. In all species the nest is an open cup on a branch, fork or twig. In some species the nests can be highly conspicuous.

Systematics and Taxonomy

Many of the approximately 140 species making up the family were previously assigned to other groups, largely on the basis of general morphology or behavior. The magpie-lark, for example, was assigned to the same family as the white-winged chough, since both build unusual nests from mud rather than vegetable matter. The Australasian fantails were thought to be allied with the fantails of the northern hemisphere (they have a similar diet and behaviour), and so on.

With the new insights generated by the DNA-DNA hybridisation studies of Charles Sibley and his co-workers toward the end of the 20th century, however, it became clear that these apparently unrelated birds were all descended from a common ancestor: the same crow-like ancestor that gave rise to the drongos. On that basis they have been included as a subfamily of the Dicruridae, along with the fantails, although Christidis and Boles have more recently treated it at familial rank as Monarchidae.

More recently, the grouping has been refined somewhat as the original concept of Corvida has proven paraphyletic. The narrower 'Core corvine' group now comprises the crows and ravens, shrikes, birds of paradise, fantails, monarch flycatchers, drongos and mudnest builders.

The monarchs are small to medium-sized insectivorous passerines, many of which hunt by flycatching.

Based on del Hoyo et al. (2006)

Genus: Hypothymis (4 species)
Genus: Eutrichomyias (Monotypic)
Genus: Trochocercus (2 species)
Genus: Terpsiphone (typical paradise flycatchers) (14 species)
Genus: Chasiempis (3 species)
Genus: Pomarea (9 species, 4 extinct)
Genus: Mayrornis (3 species)
Genus: Neolalage (Monotype)
Genus: Clytorhynchus (shrikebills) (5 species)
Genus: Metabolus (Monotype)
Genus: Monarcha (9 species) (some authorities classify some of these species under the genus Symposiachrus and Carterornis)
Genus: Symposiachrus (18 species)
Genus: Carterornis (4 species)
Genus: Arses (4 species)
Genus: Myiagra (19 species, 1 extinct)
Genus: Lamprolia (Monotype; Taxonomic position uncertain)
Genus: Machaerirhynchus (boatbills) (2 species; Taxonomic position uncertain)
Genus: Elminia (5 species)
Genus: Grallina (magpie-larks) (2 species)
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