Buhairi Rifqa Moustafid
The streaked weaver is a granivorous bird species that favors open habitats such as grassland, forest edges, swamps, and rice fields.
The length of a streaked weaver (Ploceus manyar) typically ranges from 5.9 to 7.1 inches (15-18 cm), with a weight varying between 0.7 to 1.2 ounces (20-35 grams).
The male streaked weaver is characterized by golden-yellow feathers on its head, resembling a crown surrounded by black coloration.
Its wings are yellow-based with white and brown spots extending from the chest to the abdomen.
The underbelly is predominantly white, while the bill of the male weaver is black, and its legs are pinkish.
In contrast, the female streaked weaver exhibits yellow feathers around the ears, forming a circle from one ear to the other. The bill of the female weaver is reddish-yellow.
The streaked weaver engages in breeding by living in large colonies around trees, with the breeding season occurring from April to October.
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Contents
Masterful Nest Weavers with Intricate and Beautiful Designs
Streaked Weavers are renowned for their proficiency in constructing nests with intricate yet aesthetically pleasing designs.
These nests often resemble inverted domes, with the entrance located at the bottom.
In creating their nests, they showcase remarkable skills, meticulously weaving grass stems to create strong and aesthetically pleasing structures.
They possess the ability to select and use colorful grass intelligently to create unique appearances for their nests.
Material selection aims to ensure beauty and a distinct appearance compared to other streaked weaver nests.
They typically choose secure and sheltered areas, such as the tips of tree branches, for nest building. Interestingly, these birds can construct nests weighing up to one ton.
They rest briefly, approximately one hour per day, before continuing the intricate weaving process until the nest is ready for habitation.
Enchanting Nests that Captivate the Female’s Heart
The success of a male in attracting a female is highly dependent on the ‘perfection’ of the nest he constructs.
The nest-building process is a crucial part of the life rituals for the adept weavers.
Once a female is captivated by the displayed nest, the breeding process commences.
Nests serve not only to attract mates but also as secure locations for eggs and future offspring.
A male may mate with more than one female, and the resulting eggs number around 2 to 4, with a light blue color.
The female incubates the eggs for approximately three weeks. After hatching, both male and female streaked weavers share responsibilities in caring for their offspring.
They assist in feeding and ensuring the safety of the chicks within the nest. They may display aggressive behavior to protect their young from predators or external disturbances.
Master Deceivers with a Strong Sense of Community
The intricate design of streaked weaver nests extends to the presence of a deceptive entrance to fool potential predators.
The actual entrance remains concealed, known only to these adept weavers.
Predators attempting to enter the deceptive entrance encounter a dead end, not connected to the cavity where eggs or chicks reside.
This nesting feature safeguards the birds, eggs, or offspring from direct predator reach.
Even in large colonies, the collective presence of nests creates a deceptive effect, making it challenging for predators to select a specific nest to attack.
Approximately 300 pairs can inhabit a single colony, and these birds exhibit a high level of communal cooperation, particularly in nest-building on tree branches.
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Distinctive to South and Southeast Asia, Facing the Threat of Extinction
These birds are distributed across South and Southeast Asia, including countries such as Bangladesh, Bhutan, Cambodia, China, Egypt, India, Indonesia, Myanmar, Nepal, Pakistan, Singapore, Sri Lanka, Thailand, and Vietnam.
They have also become introduced species in Qatar and the United Arab Emirates.
Due to their uniqueness, they face various threats, including smuggling and hunting, leading to a declining population.
The golden weaver (Ploceus hypoxanthus) species, in particular, has seen a drastic reduction.
These conditions have prompted the IUCN to classify them as Near Threatened (NT) in the Red List.