Bronze-winged jacana

Parra indica protonymParra aenea Cuvier The bronze-winged jacana (Metopidius indicus) is a wader in the family Jacanidae.

Like other jacanas it forages on lilies and other floating aquatic vegetation, using its long feet and legs for balance.

The sexes are alike but females are slightly larger and are polyandrous, maintaining a harem of males during the breeding season in the monsoon rains.

[3][4] Latham had earlier included the species in a supplement to his A General Synopsis of Birds but had not coined a scientific name.

[5] The present genus Metopidius was introduced by the German zoologist Johann Georg Wagler in 1832.

[7] The name Metopidius is from the Ancient Greek word metōpidios meaning "on the forehead", referring to the frontal lappet.

In the genera Actophilornis, and Irediparra the radius bone is flattened and blade-like (and associated with a reduced spur[11]) and is thought to be an adaptation either for territorial combat, or for brooding eggs and carrying young under the wings.

[15] Bronze-winged jacanas are rail-like, large, short tailed birds that appear dark at a distance except for the supercilium.

[9][18] Young birds have brown upperparts, a rufous crown, white underparts, a buff foreneck, an undeveloped frontal shield, and may have a dull supercilium.

[21] The species is widely distributed across the Indian Subcontinent (but not Sri Lanka or western Pakistan) and Southeast Asia mainly in low elevations.

[27] The nest is a small platform of stems and leaves of Pistia, Nymphoides, Hydrilla, and Eichhornia placed on a mat of vegetation but eggs may also be laid directly on the leaf of a lotus plant.

The usual clutch is four, the eggs are very conical, glossy brown with irregular black zig-zag markings.

[22] The nematode parasites Gongylonema indica and Stellocaronema alii,[28] and the feather louse Rallicola indicus[29][30] have been described from specimens of the bronze-winged jacana.

A comparison of the wing bones
A bare nest on a Victoria amazonica leaf
Mating pair
Mating pair
Bronze-winged jacana ( Metopidius indicus ) immature, Chambal River, Uttar Pradesh, India. A composite of 8 images shot over 30 seconds in a sequence showing the bird deal with a grasshopper.