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Five most recent topics
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- BirdLife Partnership stretches its wings to Bhutan December 9, 2016BirdLife International, the world's largest conservation Partnership, has taken a new Partner under its wing: the Royal Society for Protection of Nature (RSPN) in the fascinating and richly biodiverse nation of Bhutan. Known in the local language as Druk Yul (meaning ‘Land of the Thunder Dragon’), this diminutive country, nestled in the mountains which separate […]
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- Grey Parrot fading from Africa's rainforests December 8, 2016This article was first published in The Red List Issue of BirdLife The Magazine. Subscribe now to support our work and receive the latest conservation breakthroughs. When a team of researchers travelled around Ghana to conduct a Grey Parrot Psittacus erithacus census, they encountered a very pronounced generation gap. “The older people we surveyed remember the […]
- BirdLife Partnership stretches its wings to Bhutan December 9, 2016
Tag Archives: Great Indian Bustard
Archived 2010-2011 topics: Great Indian Bustard (Ardeotis nigriceps): uplist to Critically Endangered?
Great Indian Bustard Ardeotis nigriceps is currently listed as Endangered under criterion C2a(ii) because it was thought to have a population of 250-999 individuals, which is suspected to be declining (at an estimated rate of 20-29% over 10 years). This species’s population has declined from an estimated 1,260 individuals in 1969 (Dharmakumarsinhji 1971 in Dutta et al. 2010) to c.300 individuals in 2008 (Dutta et al. 2010). A calculation of the rate of decline over three generations (47 years) using these data, and assuming an exponential trend, suggests that the species has declined at a rate equivalent to c.82% over 47 years. Continue reading