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East Brazilian pygmy owl

The East Brazilian pygmy owl (Glaucidium minutissimum) is one of the smallest owls in South America, characterized by its rounded head without ear tufts and distinctive rufous-brown plumage with white spots. It inhabits tropical and subtropical moist evergreen forests and open bush canopies in southeastern Brazil and eastern Paraguay. This species is primarily active during twilight hours, feeding on insects and small vertebrates.

Key Facts

  • It is one of the smallest owl species in South America.
  • The plumage is rufous-brown with small white spots on the upper body.
  • It has a rounded head with no ear tufts and yellow eyes.
  • The East Brazilian pygmy owl inhabits tropical and subtropical moist evergreen forests.
  • Its diet consists mainly of small insects and occasionally small vertebrates.
  • The species is active at dusk and dawn, but may also hunt during the day.
East Brazilian pygmy owl
Scientific Name
Glaucidium minutissimum
Common Names

Least Pygmy-Owl, Sick's Pygmy-Owl

Habitat

Tropical Moist Evergreen Forests, Subtropical Moist Evergreen Forests, Forest Edges, Open Bush Canopy

Geographic Range

Southeastern Brazil, Eastern Paraguay

Physical Description
The East Brazilian pygmy owl is one of the smallest South American owls, measuring approximately 15 cm (5.9 in) in height and weighing around 55 g (1.9 oz). It features a rounded head without ear tufts and striking yellow eyes, accented by whitish eyebrows. The upper parts of its body are a dark, rufous-brown, adorned with small white spots, while the wings are relatively short and dark brown. The tail is dark brown and marked with five pale bars. Its underparts are a light gray or white, streaked with reddish-brown. A distinct rounded whitish area is visible on the throat. The legs are feathered, and the toes are bristled and yellowish, with horn-colored claws tipped in dark. The beak is a distinctive yellow-green.
Size Range Cm
15
Wingspan Range Cm
85–91
Diet

Small Insects, Small Vertebrates

Vocalization
The song of the male consists of two to four long notes separated by short pauses.
Lifespan Years
Not specified
Average Weight Kg
0.055

About East Brazilian pygmy owl

The East Brazilian pygmy owl, scientifically known as Glaucidium minutissimum, is a diminutive owl species native to South America. It is recognized as one of the smallest owls on the continent, often referred to by common names such as the least pygmy-owl or Sick's pygmy-owl. The species' nomenclature has been a subject of debate, with some arguments suggesting that the established scientific name might actually belong to a different pygmy owl species, although this view has not achieved widespread acceptance.

Distribution and Habitat

This owl species boasts a considerable geographic range, primarily inhabiting the southeastern regions of Brazil and extending into the easternmost parts of Paraguay. Its preferred habitat consists of tropical and subtropical moist evergreen forests, including the edges of these woodlands. It also thrives in areas characterized by open bush canopies, indicating an adaptability to varied forest-related environments.

Physical Characteristics

Measuring approximately 15 cm (5.9 inches) in height and weighing around 55 grams (1.9 ounces), the East Brazilian pygmy owl is remarkably small. A key distinguishing feature is its rounded head, which lacks ear tufts. It possesses bright yellow eyes, complemented by subtle whitish eyebrows. The owl's upper body plumage is a dark rufous-brown, speckled with small white spots, while its wings are relatively short and dark brown. The tail is also dark brown, distinguished by five pale transverse bars. The underside of the owl is a pale gray or white, marked with reddish-brown stripes. A noticeable rounded whitish patch is present on its throat. Its legs are covered in feathers, and its toes are bristled and yellowish, equipped with horn-colored claws that have dark tips. The beak of the East Brazilian pygmy owl is a characteristic yellow-green.

Biology and Behavior

The East Brazilian pygmy owl is primarily a crepuscular hunter, meaning it is most active during the twilight hours of dawn and dusk. However, observations indicate that it will occasionally hunt during daylight. Its diet predominantly consists of small insects, though it is also capable of capturing and consuming small vertebrates. The vocalization of the male is distinctive, comprising two to four prolonged notes that are separated by brief pauses, serving as a characteristic call within its environment.

Source: Wikipedia ↗

Frequently Asked Questions

What is the scientific name of the East Brazilian pygmy owl?

The scientific name of the East Brazilian pygmy owl is Glaucidium minutissimum. However, there has been debate suggesting this name might actually belong to the Pernambuco pygmy owl, in which case the East Brazilian pygmy owl would be known as G. sicki. This alternative classification has not gained widespread acceptance.

Where is the East Brazilian pygmy owl found?

The East Brazilian pygmy owl has a significant distribution and can be found in southeastern Brazil and the easternmost parts of Paraguay. Its range is considered large within these regions.

What kind of habitat does the East Brazilian pygmy owl prefer?

This small owl prefers tropical and subtropical moist evergreen forests and their edges. It also inhabits areas with open bush canopies, indicating a preference for varied woodland environments.

What does the East Brazilian pygmy owl look like?

It is a very small owl, about 15 cm tall, with a rounded head and no ear tufts. Its upper body is dark rufous-brown with small white spots, and its tail has five pale bars. The underparts are light gray or white with reddish-brown stripes, and it has yellow eyes with whitish eyebrows.

What does the East Brazilian pygmy owl eat?

The primary diet of the East Brazilian pygmy owl consists of small insects. They are also known to occasionally catch and consume small vertebrates.

When is the East Brazilian pygmy owl most active?

The East Brazilian pygmy owl is primarily crepuscular, meaning it is most active during dusk and dawn. However, it has also been observed to hunt occasionally during the daytime.

What sound does the male East Brazilian pygmy owl make?

The song of the male East Brazilian pygmy owl is described as two to four long notes. These notes are typically separated by short pauses.