: In India, habitat loss may be forcing a formerly monogamous bird to form breeding trios #IndiaNEWS A new study by KS Gopi Sundar, Swati Kittur and Suhridam Roy, at the Nature Conservation Foundation,

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In India, habitat loss may be forcing a formerly monogamous bird to form breeding trios #IndiaNEWS
A new study by KS Gopi Sundar, Swati Kittur and Suhridam Roy, at the Nature Conservation Foundation, details the discovery of a novel social unit among sarus cranes. The study has found that while breeding, sarus cranes, which typically mate for life, form trios to raise their chicks, in order to improve brood survival.“Bringing in a third member to raise chicks is not a trivial matter, because cranes are highly territorial birds,� said Sundar. “They have synchronised behaviours like unison calls and behavioural repertoires that can only be performed as a pair. This is why this is such big news. A bird which we thought was monogamous is now allowing a third bird amidst pairs.�Apart from India, the sarus crane is also found in Nepal, Pakistan, Southeast Asia and Australia. According to World Wide Fund for Nature-India, the global population of sarus cranes is estimated to be 25,000-37,000. But their population is now on the decline with only 15,000-20,000 individuals found in India, a majority of which are in Uttar Pradesh. The birds are listed in Schedule IV of the Wildlife (Protection) Act, 1972 and classified as Vulnerable on the International Union for Conservation of Nature Red List.The state bird of Uttar Pradesh, the...Read more

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