Moluccan Owlet-nightjar Bird Details

Aegotheles crinifrons
Moluccan Owlet-nightjar
NA
Charles Lucien Jules Laurent Bonaparte, 1850
Caprimulgiformes (NIGHTJARS AND ALLIES)
Aegothelidae
Aegotheles

Indonesia (Moluccan islands).

Appearance :
Similar to other owlet-nightjars with a small, compact body. Brownish-grey plumage with fine streaks and spots, well-camouflaged for its forest habitat. Large eyes adapted for night vision. Short, rounded wings and a long tail.
Behaviour :
Nocturnal and secretive, roosts during the day in dense foliage or tree cavities. Active at night, hunting insects such as moths and beetles. Flight is agile and swift, maneuvering through dense forest canopies.
Habitat :
Found in tropical lowland forests and montane forests of the Moluccan islands.
Diet :
Insectivorous, feeding primarily on moths, beetles, and other small insects captured in flight.
Conservation Status :
Data Deficient
Distribution :
Endemic to the Moluccan islands, specifically found in Indonesia.
Population Size :
Population size is not well documented due to limited research.
Life Span :
Lifespan in the wild is not well documented.
Body And Tarsus:
  • Small, compact body adapted for nocturnal life.
  • Tarsus Length: Approximately 16–18 mm.
Head And Bill :
  • Head:  Large head relative to body size, with large, forward-facing eyes.
  • Bill: Short, broad bill with bristles at the base, aiding in insect capture.
  • Bill Length: About 12–14 mm.
Length :
Ranges from 21–23 cm.
Neck :
Short and sturdy, providing support for its large head.
Size :
Small-sized nocturnal bird.
Tail Details :
  • Tail: Long tail, often used for balance during agile flight through dense forests.
  • Tail Length: Approximately 10–12 cm.
Weight :
Ranges between 45–60 grams.
Wing :
Short, rounded wings adapted for maneuverable flight in forested habitats.
Wing Span :
Approximately 30–34 cm.
Facial Feature :
Large, forward-facing eyes adapted for excellent night vision. Short, broad bill with bristles at the base for catching insects.
Nest Details :
  • Nest: Typically nests in tree cavities or other sheltered locations.
  • Nest Made Up Of: Likely consists of soft materials like leaves, moss, and feathers.
Breeding Season :
Corresponds with seasonal changes in insect availability.
Nesting Season :
Generally nests during the wet season when insect prey is more abundant.
Egg Color :
White or cream-colored with light speckling.
Egg Length :
Approximately 24-26 mm.
Egg Width and Weight :
  • Egg Width: Approximately 19-21 mm.
  • Egg Weight: Each egg weighs around 4-5 grams.
Clutch Size :
Typically lays 1-2 eggs per clutch.
No. of Broods :
Often raises a single brood per breeding season.
Incubation Period :
Incubation lasts for about 21-23 days, primarily undertaken by the female.
Nestling Period :
Nestlings remain in the nest for about 24-28 days before fledging.
Vocalization :
Produces soft, repetitive calls during the night, described as melodious but not well documented.
Sex Demorphism :
Males and females appearing similar in plumage and size.
Migration Details :

Non-migratory, typically remains within its forested habitat throughout the year.

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