The incubation period is about 26 to 27 days. Both parents take part in nest building and feeding, but likely only the female incubates. A clutch of two dull-white or bluish-white oval eggs measuring 52 x 41 mm is laid. In some rare instances, they have been seen to nest on the ground under trees. They show considerable site fidelity nesting in the same area year after year. The nests are constructed of small branches and sticks with a bowl inside and lined with leaves, and are located in various trees, often mangroves. In southern and eastern Australia, it is August to October, and April to June in the north and west. The breeding season in South Asia is from December to April. Photo: Md shahanshah bappy / CC BY-SA 4.0 / en. flavirostris Condon & Amadon, 1954 – Solomon Islands girrenera (Vieillot, 1822) – New Guinea, Bismarck Archipelago and north Australia
intermedius Blyth, 1865 – Malay Peninsula, Greater and Lesser Sunda Islands, Sulawesi and the Philippines The brahminy kite is now placed with the whistling kite in the genus Haliastur that was erected by the English naturalist Prideaux John Selby in 1840. Neither Brisson nor Buffon included a scientific name but in 1783 the Dutch naturalist Pieter Boddaert coined the binomial name Falco indus in his catalogue of the Planches Enluminées.
It was also illustrated in a hand-coloured plate engraved by François-Nicolas Martinet in the Planches Enluminées D'Histoire Naturelle which was produced under the supervision of Edme-Louis Daubenton to accompany Buffon's text. The brahminy kite was included by the French polymath Georges-Louis Leclerc, Comte de Buffon in his Histoire Naturelle des Oiseaux. He used the French name L'aigle de Pondichery. In 1760, French zoologist Mathurin Jacques Brisson described and illustrated the Brahminy kite in the first volume of his Oiseaux based on a specimen collected in Pondicherry, India.
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