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Natural habitat of Comb-crested Jacana
Comb-crested Jacana, a Native Fairly Common bird in Australia
Distribution map showing where Comb-crested Jacana can be found in Australia
Distribution Map

Comb-crested Jacana

Irediparra gallinacea

NativeStatus
Fairly CommonRarity
Image of Comb-crested Jacana
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Species Description

The Comb-crested Jacana (*Irediparra gallinacea*), also known as the lotusbird or lily-trotter, is a unique wader found in freshwater wetlands with abundant floating vegetation across northern and eastern Australia. Famous for its extraordinarily long toes, this bird appears to "walk on water" as it forages on lily pads and other aquatic plants. Its specialised adaptations and unusual breeding system make it a fascinating species to observe in the field.

Fun Facts

Female Comb-crested Jacanas are up to 6% heavier than males-one of the most extreme examples of reverse sexual size dimorphism in birds.

1. Bright pinkish-red fleshy comb on the forehead in adults (absent or rudimentary in juveniles)

2. Exceptionally long toes and legs for walking on floating vegetation

3. Females are significantly larger than males, but plumage is similar

This species is an active forager, feeding mainly on insects, mollusks, crustaceans, and seeds picked from the surface of floating plants or water. The Comb-crested Jacana is polyandrous, with females mating with multiple males, each of whom builds a floating nest, incubates the eggs, and raises the chicks. Males use their wings to carry chicks to safety if threatened. Breeding can occur year-round when conditions are suitable, with clutches of three to four eggs incubated for about 28 days. Chicks are highly developed at hatching and can swim or dive for cover almost immediately.

Comb-crested Jacanas inhabit freshwater wetlands with abundant floating vegetation, such as lagoons, billabongs, swamps, lakes, and slow-moving rivers across northern and eastern Australia, from the Kimberleys and Top End through Queensland to around Grafton, NSW. They are most common in the north and are rarely seen on dry land. Birds may disperse to new wetlands during the wet season or in response to habitat changes.

Physical Attributes

Height

21 cm

Size Relative to Other Birds44%

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