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Five most recent topics
- Consultation on a subset of potential taxonomic changes to passerines
- Global IUCN Red List for birds – 2015 changes
- 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
- Black-bellied Sandgrouse (Pterocles orientalis) – request for information from Central Asia
- Tessmann’s Flycatcher (Muscicapa tessmanni): List as Least Concern?
- 10 stunning portraits of Argentinian birds [PHOTOS] July 28, 2016Today we don't only celebrate 100 years of our Partner Aves Argentinas but also the incredible biodiversity they conserve. This is only the first round! For more stories like this, subscribe to our email list:
- The early days of Aves Argentinas July 28, 2016Today Aves Argentinas turns 100 years old. Where does the organization come from? What was the vision of its founders? And, given the colourful variety of birds living in the country, how did the dull-looking Rufous Hornero become the national emblem of the country? We take a look back in time.
- 100 years of Aves Argentinas July 28, 2016In 1916 the Sociedad Ornitológica del Plata was founded by a small group of visionaries. Today it counts 3,000 members and works on over 1,000 species. Hernan Casañas, CEO of the organization, reflects on a century of conservation work.
- 10 stunning portraits of Argentinian birds [PHOTOS] July 28, 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