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Five most recent topics
- Yellow-breasted Pipit (Hemimacronyx chloris): uplist from Vulnerable to Endangered?
- Okarito Brown Kiwi (Apteryx rowi): Downlist to Vulnerable?
- White-winged Cotinga (Xipholena atropurpurea): downlist from Endangered to Vulnerable?
- Atlantic Royal Flycatcher (Onychorhynchus swainsoni): downlist from Vulnerable to Near Threatened?
- The taxonomic treatment of the Little Shearwater (Puffinus assimilis)/Audubon’s Shearwater (P. lherminieri) complex is being revised, and P. bryani is being recognised as a species: request for information
- One to Watch - Spoon-billed Sandpiper December 2, 2016In our "One to Watch" series, we take a quick look at the status of some of the iconic species we're working on. Fondly known in birding circles as Spoonie, the charismatic Spoon-billed Sandpiper Calidris pygmaea occupies a limited breeding range in north-eastern Russia, from where it migrates down the western Pacific coast to its […]
- A Dirty Day for Europe’s Clean Dream December 2, 2016Last week, the European Commission unveiled its much-hyped Clean Energy package – the map charting Europe’s energy future from 2020 to 2030. Yet for all the pomp and fanfare, the package unequivocally failed to ‘come clean’ on the dark truth behind bioenergy – an alarming omission considering that bioenergy accounts for 65% of the EU’s […]
- Pioneering Sri Lankan bird group turns 40 December 2, 2016Sri Lanka, October 1976: seven intrepid trailblazers set their sights on making a solid impact on bird awareness and biodiversity conservation on the island. The result? The creation of the Field Ornithology Group of Sri Lanka (FOGSL). Fast forward to 2016, and FOGSL are celebrating their 40th anniversary. Led by the much-loved Emeritus Prof Sarath […]
- One to Watch - Spoon-billed Sandpiper December 2, 2016
Tag Archives: Hooded Grebe
Archived 2011-2012 topics: Hooded Grebe (Podiceps gallardoi): does it qualify as Critically Endangered?
The results of surveys conducted on more than 50 lakes and lagoons that could hold breeding populations, including the six key waterbodies that held c.40% of the total population in the 1980s, suggest that the rate of decline may have been more rapid than previously thought (Imberti and Casañas 2010). When mean counts from the 1980s are summed across these six main sites, a total of 1,832 adults are estimated to have been recorded; however, surveys at these same sites in 2009 yielded records of only 117 adults. Furthermore, an estimated total of c.580 nests were recorded at these six sites during the 1980s, with not one found during the surveys in 2009 (Imberti and Casañas 2010). The difference in the number of adults recorded suggests that a decline of c.94% has occurred at these sites over c.24 years. This equates to a decline of 90.5% over the past 21 years, assuming an exponential trend. Continue reading