Tag Archives: Yellow-billed Magpie

Archived 2014 discussion: Yellow-billed Magpie (Pica nuttalli): eligible for uplisting?

There is now evidence that this species has suffered high levels of mortality and a severe population decline owing to a high susceptibility to West Nile virus (Airola et al. 2007, Crosbie et al. 2008), since its documented arrival in California in summer 2003 (Reisen et al. 2004), with data suggesting a decline of 42-49% from 2004 to 2006 (Crosbie et al. 2008). Comments are invited on the potential uplisting of this species under criterion A, and further information is requested, particularly on whether the observed rapid decline and high mortality have continued up until the present. Continue reading

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