Animal Profile IUCN: LC

Aerodramus maximus

The Greater Swiftlet (Aerodramus maximus) is a species of animal in the genus Swiftlet.Large swiftlets can fly around dark caves like bats by echolocation. Its "sonar" is audible to the human ear and consists of "clicks" at a frequency of 1,500 to 5,500 Hertz, about six times per

Climbing birds 2023-03-16 20:20:02 421 views

Scientific Name Aerodramus maximus

Length About 14 cm

Weight 14-20g

Lifespan 15 years or so

IUCN Status LC

Table of Contents

The Greater Swiftlet (Aerodramus maximus) is a species of animal in the genus Swiftlet.

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Large swiftlets can fly around dark caves like bats by echolocation. Its "sonar" is audible to the human ear and consists of "clicks" at a frequency of 1,500 to 5,500 Hertz, about six times per second. The nests of large swiftlets are small pedestals, sometimes with a little fern and bark, and may be attached to trees or cliffs, but are usually built in caves or coastal burrows. A flock can be as many as a million birds.

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Profile Details

Key characteristics, appearance, and habitat information.

Traits & Behavior

Appearance

The plumage of the large swiftlet is brown to black on the upper body, with a golden luster, and gray or pure white on the lower body. Beak thin, downward curved; The tips of the wings are long; The feet are short and thin, and the 4 toes are oriented forward, which is not suitable for walking and holding branches, and only helps to grasp the vertical face of the rock. Their tarsometatarsus is completely naked or almost completely naked, and the tail shaft is not naked. They are generally light birds, smaller than house swallows, lighter weight, and similar to males and females.
Similar to the short-billed swiftlet, but easily distinguishable in the wild. The tail of the large swiftlet is rarely forked and almost flat; The wings are wider; The tarsus has dense plumage, while the short-billed swiftlet has sparse plumage.

Distribution & Habitat

Large swiftlets are found in Brunei, Indonesia, Malaysia, Myanmar, the Philippines, Singapore, Thailand, and Vietnam. China has distribution.
The natural habitat is subtropical or tropical humid lowland forest and mountain forest.

Visual guide