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Five most recent topics
- Liberian Greenbul, Phyllastrephus leucolepis, is to be listed as Data Deficient.
- The newly described taxon Sporophila iberaensis is to be recognised as a species by BirdLife: request for information.
- Sharp-beaked Ground-finch (Geospiza difficilis) is being split: list Vampire Ground-finch G. septentrionalis and Genovesa Ground-finch G. acutirostris as Vulnerable?
- Large Cactus-finch (Geospiza conirostris) is being split: list G. conirostris and G. propinqua as Vulnerable?
- Mountain Serin (Serinus estherae) is being split and moved to the genus Chrysocorythus: list C. mindanensis as Near Threatened or Least Concern?
- Conserving Madagascar's forest of hope October 20, 2016Developing the confidence of local communities and a BirdLife Partner to work together to protect their environment has brought encouraging changes for nature and people. Some places are so rich in natural wonders, so extraordinary, so different from any other, so important for people, and yet so threatened, that we must pull out all […]
- Biodiversity conservation in Yemen – joining forces for the future October 19, 2016What do conservationists do when they can’t do surveys, can’t implement grass-root activities, can’t meet with local people or government representatives to talk about environmental issues and policies? What if a country is being bombed, tanks are rolling through the streets, and it’s not even clear who the government is? This story can be read […]
- Irreplaceable - Sierra de Bahoruco, Dominican Republic October 18, 2016At 1,100 km, Sierra de Bahoruco National Park, is the largest terrestrial protected area of the Dominican Republic and one of the most important refuges for Hispaniola island’s unique biodiversity.
- Conserving Madagascar's forest of hope October 20, 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