Greater painted-snipe
A polyandrous wader with reversed sexual dimorphism.
The greater painted-snipe (Rostratula benghalensis) is a species of wader in the small painted-snipe family Rostratulidae. It is widely distributed across Africa and southern Asia, inhabiting wetland habitats such as swamps and the edges of lakes and rivers. The species is notable for its sexual dimorphism, with the female being larger and more brightly colored than the male, and for its polyandrous breeding system, in which males incubate the eggs and care for the young.
- Scientific name
- Rostratula benghalensis
- Family
- Rostratulidae
- Length
- 23–28 cm (9.1–11.0 in)
- Clutch size
- Normally 4 eggs
- Incubation period
- Around 19 days
- Conservation status
- Least Concern (IUCN)
Lore & Background
The Australian painted-snipe was formerly considered a subspecies but was elevated to species status based on differences in morphology and vocal calls.
Reader's Guide
The greater painted-snipe is significant for its unusual reproductive biology among shorebirds: females are polyandrous, often mating with two to four males in a season, while males solely incubate the eggs and care for the young. This role reversal is accompanied by reversed sexual dimorphism, with females larger and more brightly colored than males. The species is widely distributed across Africa and southern Asia but is generally uncommon within its range. It inhabits muddy wetlands with cover, feeding on insects, snails, earthworms, crustacea, and plant seeds using a scythe-like bill motion. Its conservation status is Least Concern due to its large range and slow population decline. The species is mostly silent outside the breeding season, though females may produce a mellow hooting or booming sound.
Did You Know?
- The female greater painted-snipe is larger and more brightly colored than the male, a reversal of typical bird dimorphism.
- Males incubate the eggs and care for the young, while females are polyandrous, mating with up to four males in a season.
- The Australian painted-snipe was once considered a subspecies but was promoted to full species status due to differences in morphology and calls.
Frequently Asked Questions
What is the Greater Painted-snipe?
It's a small wading bird (roughly 23–28 cm) in the family Rostratulidae, found across sub-Saharan Africa and the Indian subcontinent. It favors shallow wetlands such as swamps, marshy lake edges, and slow river banks.
Why is the female Greater Painted-snipe bigger and flashier than the male?
This species shows reversed sexual dimorphism: the female is both larger and more vividly colored than the male. That arrangement supports their polyandrous mating system, in which the showier female defends territory and mates while the male handles all parental duties.
Who incubates the eggs and raises the chicks?
The male sits on the clutch of about four eggs for roughly 19 days and then tends the hatchlings on his own. The female's involvement ends after she lays her eggs and moves on to seek another mate.
Where can I actually spot a Greater Painted-snipe?
Look along open, muddy or grassy margins of lakes, rivers, and seasonal swamps across Africa south of the Sahara and through the Indian subcontinent. They're most active in shallow, vegetated water rather than deep open water.
Is the Greater Painted-snipe endangered?
No—its IUCN listing is Least Concern, reflecting a broad range and tolerance of varied wetland types. The main ongoing threat is local loss of marsh and river-edge habitat to drainage or development, but the overall population remains stable.
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