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Greater painted-snipe

life science Maturity 5-7 Next article →

The greater painted-snipe, known scientifically as Rostratula benghalensis, is a medium-sized wader.

Painted Snipe hm
Painted Snipe hm

This bird belongs to a small family called Rostratulidae. It is a vital part of many wetland ecosystems across the globe. These birds play a role in the food web by eating various small creatures. They are found in many different types of wet habitats. These locations include swamps, marshes, and the edges of large bodies of water. They specifically prefer muddy areas that offer plenty of vegetation for cover.

Painted Snipe hm
Painted Snipe hm

This species is famous for a trait called sexual dimorphism. This means that males and females look very different from one another. In most bird species, the males are the brighter ones. However, the greater painted-snipe is different because the female is larger and heavier.

Painted Snipe hm
Painted Snipe hm

The female has much bolder plumage to distinguish her. She has a black head with a buff stripe and a white eye-patch. Her neck is a dark rufous, which is a reddish-brown color. Her upperparts are mostly dark bronze-green with fine black barring. A white stripe curves around her shoulder mantle, and her underbody is white. The male is much paler and less uniform in his appearance. He has barring on his underparts and his wing-coverts.

Taijiang National Park Yi-Cheng, Chen 555594031-2
Taijiang National Park Yi-Cheng, Chen 555594031-2

The breeding behavior of this bird is also quite unusual. The species is typically polyandrous. This means that one female mates with multiple males during a single season. She usually mates with two males, but she may mate with up to four. This creates a unique system for raising the next generation. The female initiates the courtship process with the males. Once the eggs are laid, the roles of the parents shift significantly. The males are responsible for incubating the eggs and providing parental care. The nest is often a shallow scrape in soft ground. It is lined with plant material and hidden among grass or reeds. This helps keep the nest well concealed from predators.

Rostratula benghalensis MHNT
Rostratula benghalensis MHNT

The eggs themselves are quite distinct in appearance. A typical clutch consists of four eggs. They have a light buff-yellow background color. This background is covered in black-brown blotches, spots, and lines. The male performs the task of incubation for about 19 days. When the chicks hatch, they are precocial and nidifugous. Precocial means they are relatively mature and mobile from birth. Nidifugous means they are capable of leaving the nest shortly after hatching. The chicks are buff-colored with black stripes running down their bodies. They are brooded by the male when they are still small.

Taijiang National Park Yi-Cheng, Chen 555594031-2
Taijiang National Park Yi-Cheng, Chen 555594031-2

The history of how we identified this bird is quite interesting. The Swedish naturalist Carl Linnaeus formally described the species in 1758. He published his findings in the tenth edition of Systema Naturae. At that time, he placed the bird in the genus Rallus. He gave it the binomial name Rallus benghalensis. Linnaeus used an account from the English naturalist Eleazar Albin. Albin had described a "Bengall water rail" in 1738. Albin's information came from a drawing sent to Joseph Dandridge. Dandridge was an English silk-pattern designer living in Bengal. Later, in 1816, the French ornithologist Louis Vieillot introduced the genus Rostratula. This is the genus the bird belongs to today.

Taijiang National Park Yi-Cheng, Chen 555594031-2
Taijiang National Park Yi-Cheng, Chen 555594031-2

Greater painted-snipes have a very wide distribution. They live in mainland Africa, Madagascar, and the Seychelles. They are also found in India and throughout Southeast Asia. In Africa, they live in the Nile River Valley and Sub-Saharan areas. However, they are not found in eastern Somalia or the deserts of Namibia. They are also absent from parts of Botswana and South Africa. Despite being widespread, they are considered uncommon in their range. BirdLife International estimates there are between 31,000 and 1,000,000 mature individuals. Because of their large range, the IUCN lists them as "Least Concern." This status is due to their wide area and a slow population decrease.

Taijiang National Park Yi-Cheng, Chen 555594031-2
Taijiang National Park Yi-Cheng, Chen 555594031-2

Feeding habits are tied to the time of day. These birds are generally crepuscular. This means they are most active during the early morning and near dusk. They use a scythe-like action with their heads and bills. This helps them find food in shallow water. Their diet includes insects, snails, earthworms, and various crustacea. They also eat vegetable matter like plant seeds. When they are disturbed, they act like rails and fly with their legs dangling. They are shy birds that prefer to skulk near vegetation. This behavior helps them stay safe in their wetland homes.

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File:Painted Snipe hm.jpg
Painted Snipe hm.jpg
File:Rostratula benghalensis MHNT.jpg
Rostratula benghalensis MHNT.jpg
File:Taijiang National Park Yi-Cheng, Chen 555594031-2.jpg
Taijiang National Park Yi-Cheng, Chen...
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