Blyth's Frogmouth (Batrachostomus affinis)

Blyth's Frogmouth

Batrachostomus affinis

Overview

Blyth's frogmouth (Batrachostomus affinis) is a small to medium nocturnal bird in the family Podargidae, characterized by its cryptic, owl-like appearance. It is found across a wide range in South and Southeast Asia, from India and Sri Lanka to Borneo, Java, and Sumatra. The species is further subdivided into two subspecies: B. a. affinis and B. a. continentalis.

Identification

  • Plumage: Brownish or rufescent brown with an orange-brown or yellowish-brown underparts; features a thin white collar around the neck and lacks white markings on the wings and tail.
  • Facial Features: Possesses stiff facial bristles and longer dark 'auricular plumes' covering the ears, along with pale yellow or lemon-yellow irises.
  • Structure: Has a short, wide, and rounded bill, a large tail relative to its body size, and short, weak feet with unequal toes.
  • Vocalization: Nocturnal calls include a descending series of 3-5 'gwaa' units sounding like maniacal laughter, as well as low-pitched plaintive whistles and barks.

Habitat

Blyth's frogmouth thrives in mature lowland evergreen forests, rainforests, and dense undergrowth, though it can also inhabit mixed deciduous forests and mangroves. It is distributed across India, Sri Lanka, mainland Southeast Asia, and the islands of Borneo, Java, and Sumatra. The species typically perches between 1.5 and 12.0 meters above the ground and appears to be sedentary.

Diet

Insectivorous, the Blyth's frogmouth feeds on beetles, grasshoppers, moths, and other invertebrates. It forages by sallying or leaping from branches to the ground, collecting insects directly from tree trunks, or catching them in flight.

Did you know?

Fossil evidence suggests that frogmouths previously inhabited western and central Europe during the Eocene and Oligocene epochs, when the climate supported subtropical forests suitable for these birds.

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