Bulbul or White-Spectacled Bulbul?

Here's how to tell the difference

Bulbul image 1

Bulbul

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White-Spectacled Bulbul image 1
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White-Spectacled Bulbul

Bulbul

Pycnonotus

Also known as: Nightingale

General appearance

Bulbuls are small to medium-sized songbirds, often distinguished by a unique crest atop their heads. The coloration of their plumage varies greatly among species, but the common colors seen are brown, grey, or white, often with distinctive markings on the chest and belly. They have short necks, long tails, and relatively short and slender bills.

Male vs female

There are no significant differences in coloration or size between males and females of the bulbul species. Both sexes usually have similar plumage. Any difference, when present, can be subtle and often needs careful observation for detection. Furthermore, the mating pairs of bulbuls are often seen foraging together, which can make it challenging to separate the genders visually.

Juvenile

Juvenile bulbuls typically have a more subdued coloration than adults and may lack the crest seen in mature birds. They are often seen in the company of adults and can be distinguished by their earnest, yet less polished, song attempts. As they mature, juveniles will gradually acquire the coloration and distinguishing characteristics of adult birds.

Size

5.9 - 11.4 in/0.6 - 3.3 oz

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How to tell the Bulbul from the White-Spectacled Bulbul

Visual differences

Bulbul species vary in color, often brown, grey, or white, with a crest and long tails. They range from 5.9-11.4 inches. In contrast, the white-spectacled bulbul is 7.9-9.8 inches, features a distinctive black crest, and has a white ring around its eyes. Its mostly greyish-brown body is marked with a black stripe over white cheeks and a yellow vent. Both species show minimal sexual dimorphism, but juvenile white-spectacled bulbuls lack spectacles and the distinct crest, presenting a uniform brown color.

Key differences and behavior

The Bulbul and White-Spectacled Bulbul display distinct behavioral and habitat differences. The Bulbul is often found in pairs or small groups across tropical to subtropical zones, and even in urban areas, showcasing adaptability to various climates. In contrast, the White-Spectacled Bulbul resides mainly in the Middle East and North Africa, inhabiting savannas and gardens. Both species engage in similar nesting behaviors, creating cup-shaped nests and sharing parental duties. However, the White-Spectacled Bulbul forms sibling pairs, highlighting a unique social behavior. Both birds mainly consume fruits and insects, yet Bulbuls are attracted more to fruits at feeders, while White-Spectacled Bulbuls additionally enjoy seeds, reflecting subtle dietary preferences. Vocalization for mating in Bulbuls involves songs and physical displays, whereas White-Spectacled Bulbuls have elaborate courtship displays featuring singing and plumage exhibition.

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