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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
- The silencing of the songbirds December 8, 2016The 2016 Red List reveals that Indonesia’s love of songbirds is a tainted love; unsustainable trapping is driving many endemic species towards extinction. Pramuka market assaults the senses. Crushed into the Indonesian capital of Jakarta, it is dimly lit, sweltering and oppressively claustrophobic. The stifling air resounds with chaotic song and the acrid stench of […]
- Grey Parrot fading from Africa's rainforests December 8, 2016When 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 Grey Parrot well”, says Stuart Marsden, Professor of Conservation Ecology at Manchester Metropolitan University, and one of the leaders of the study. “The species used […]
- 2016 Red List: great news for island endemics, disaster for cagebirds December 8, 2016This year’s IUCN Red List update delivers a chilling warning about the plight faced by some of the world’s most popular cagebirds, with many much-loved species now being trapped and traded into near-extinction in the wild. The most iconic species to be uplisted to a higher threat category is the Grey Parrot Psittacus erithacus, which […]
- The silencing of the songbirds December 8, 2016
Tag Archives: Island Scrub-jay
The species’s population was estimated to number c.9,000 mature individuals (Rich et al. 2004), although the analysis of survey results from 2008 and 2009 suggests there may actually be fewer than 3,000 individuals, and perhaps only c.2,400, but with no clear evidence of a decline (Morrison et al. 2011, The Nature Conservancy 2011). It may be susceptible to catastrophic fires and the introduction of diseases, and there is particular concern over the potential danger from West Nile virus, which arrived in mainland southern California in 2003, but has not yet become established on Santa Cruz Island (c.30 km from the mainland) (Boyce et al. 2011, Morrison et al. 2011). The species potentially qualifies for uplisting to Vulnerable under criterion D2. Comments are invited on this potential category change and further information would be welcomed. Continue reading