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Mugimaki Flycatcher

Birds NameMugimaki flycatcher
Science NameFicedula mugimaki
DomainEukaryota
KingdomAnimalia
PhylumChordata
ClassAves
OrderPasseriformes
FamilyMuscicapidae
GenusFicedula
SpeciesF.mugimaki

The Mugimaki Flycatcher (Ficedula mugimaki) is a small, striking passerine bird native to eastern Asia, belonging to the genus Ficedula in the family Muscicapidae (Old World flycatchers). Its name originates from Japanese, meaning “wheat-sower,” and it is also sometimes referred to as the Robin Flycatcher due to its bright plumage and behavior reminiscent of a robin. This article provides a comprehensive guide to the Mugimaki Flycatcher, covering its taxonomy, distribution, behavior, habitat, and much more.

Description

The Mugimaki Flycatcher is a small, compact bird, measuring between 13 and 13.5 centimeters in length. It is characterized by its distinct plumage, which varies between males, females, and juveniles.

  • Male: The adult male has a blackish head and upperparts, with a short white supercilium (eyebrow stripe) behind the eye. It has a striking white wing-patch and white edges on its tertial feathers. The male’s throat and breast are a bright orange-red, contrasting sharply with its white belly and undertail coverts. It also features white at the base of its outer tail feathers.
  • Female: The female is more muted in color, with grey-brown upperparts and a pale orange-brown breast and throat. Unlike the male, the female has no white in the tail and shows only faint or absent supercilium markings. Instead of a bold wing-patch, she has one or two pale wingbars.
  • Juveniles: Young males resemble the females but with a slightly brighter orange breast, more pronounced white in the tail, and a clearer supercilium.

This dimorphic plumage serves both to attract mates (in males) and to provide camouflage for nesting females.

Size Comparison

SpeciesLength (cm)Weight (g)
Mugimaki Flycatcher13-13.511-15
Common Redstart13-14.511-23
Asian Brown Flycatcher12-1310-12

Taxonomy

The Mugimaki Flycatcher belongs to the Muscicapidae family, which includes various flycatchers and small insectivorous birds. It was first described by Coenraad Jacob Temminck, a Dutch naturalist, in the early 19th century. Its genus, Ficedula, is known for its colorful flycatchers across the Old World, particularly in Asia and Europe.

  • Scientific name: Ficedula mugimaki
  • Common name: Mugimaki Flycatcher
  • Family: Muscicapidae
  • Genus: Ficedula

The genus Ficedula includes numerous species of small birds, many of which exhibit striking sexual dimorphism similar to the Mugimaki Flycatcher.

Distribution, Range, and Population

The Mugimaki Flycatcher has a relatively broad distribution across East Asia. The bird is mainly found in regions like eastern Siberia, northern China, and parts of Korea. During the non-breeding season, the species migrates to Southeast Asia, wintering in countries such as Thailand, Malaysia, Indonesia, and the Philippines.

Migratory Pattern

SeasonLocation
BreedingEastern Siberia, Northern China, Korea
WinteringSoutheast Asia (Thailand, Malaysia, Indonesia)

The species follows a clear migratory route, breeding in temperate forest regions of East Asia and spending the winter in tropical and subtropical forests of Southeast Asia.

Population Estimates

Though there is little detailed data on exact population numbers, the Mugimaki Flycatcher is not currently considered threatened, and its population is thought to be stable across its range. The IUCN lists the species as Least Concern due to its wide distribution.

Habitat

The Mugimaki Flycatcher prefers forested environments, particularly:

  • Breeding Season: During the breeding season, they are typically found in temperate deciduous and mixed forests, especially those with plenty of undergrowth and scattered clearings.
  • Wintering Season: In winter, they inhabit tropical and subtropical forests, often at elevations of up to 1,500 meters, including montane forests and wooded areas.

The bird’s habitat preference shifts between higher altitudes during breeding to warmer lowland forests during winter.

Habitat Requirements

SeasonHabitat TypeAltitude Range
BreedingDeciduous & mixed forests0-1,500 meters
WinteringTropical/subtropical forests200-1,500 meters

Behavior

The Mugimaki Flycatcher is an active and agile bird, displaying several notable behaviors:

  • Territoriality: Males are territorial during the breeding season, singing from high perches to mark their territories and attract females.
  • Tail and Wing Flicking: It frequently flicks its wings and tail, a characteristic behavior that distinguishes it from other flycatchers.
  • Calls: The bird has a distinctive rattling call, which is often heard in conjunction with its territorial display.

The male’s bright plumage and loud song are key components of its courtship behavior, while the female is more secretive, focusing on nesting and rearing young.

Feeding

The Mugimaki Flycatcher is primarily insectivorous, feeding on a variety of small invertebrates, including:

  • Insects: Flies, beetles, butterflies, moths, and other small flying insects.
  • Spiders: Common in their diet during the breeding season.

Feeding Methods

Like many flycatchers, the Mugimaki Flycatcher employs two main feeding techniques:

  1. Flycatching: It perches on branches and makes short, swift flights to catch insects mid-air.
  2. Gleaning: The bird also hops among leaves and branches to pick off stationary insects.

Breeding

Breeding occurs between April and July when the Mugimaki Flycatcher migrates to its breeding grounds in eastern Siberia, China, and Korea. The bird is monogamous during this period, with both males and females sharing responsibilities for raising the young.

Nesting Behavior

  • Nests: Built in tree cavities, the nests are composed of moss, leaves, and feathers.
  • Clutch Size: Typically 4-6 eggs.
  • Incubation Period: Around 12-14 days, with the female primarily responsible for incubation.
  • Fledging: The chicks fledge after approximately 14 days.

Breeding Data

AspectDetails
Clutch Size4-6 eggs
Incubation Period12-14 days
Fledging Time14 days after hatching

Threats

Despite its stable population, the Mugimaki Flycatcher faces several threats that could impact its future numbers:

  • Habitat Loss: Deforestation, particularly in its wintering grounds in Southeast Asia, poses a significant threat as it reduces available habitat.
  • Climate Change: Shifts in climate can disrupt migratory patterns, causing mismatches between breeding times and food availability.
  • Pesticides: The use of pesticides in agriculture reduces the availability of insects, which are the Mugimaki Flycatcher’s primary food source.

Main Threats

ThreatImpact
Habitat LossLoss of breeding/wintering sites
Climate ChangeDisruption of migratory patterns
PesticidesDecreased food availability

Migration

The Mugimaki Flycatcher is a long-distance migratory bird. It breeds in the temperate regions of East Asia and migrates southwards for the winter.

  • Autumn Migration: Between August and October, the bird migrates to tropical forests in Southeast Asia.
  • Spring Migration: It returns to its breeding grounds between April and May.

The migratory route spans thousands of kilometers and is a crucial part of the bird’s life cycle.

Migration Timetable

Migration SeasonTime of YearDirection
AutumnAugust to OctoberNorth to South
SpringApril to MaySouth to North

Conservation Status

The Mugimaki Flycatcher is currently classified as Least Concern by the IUCN due to its wide distribution and relatively stable population. However, localized threats like deforestation and climate change need to be monitored to ensure that its population remains healthy.

Conservation Efforts

  • Habitat Protection: Efforts are focused on preserving forested areas in both breeding and wintering grounds.
  • Reducing Pesticide Use: Encouraging sustainable agricultural practices helps maintain insect populations essential for the bird’s diet.

Conclusion

The Mugimaki Flycatcher is a beautiful and energetic bird, admired for its bright plumage and engaging behavior. Its migratory habits and preference for forest habitats make it a vital component of ecosystems in both its breeding and wintering ranges. While not currently endangered, efforts to protect its habitat and food resources are crucial to ensuring the continued success of this fascinating species.

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