cause of songbird decline

Magpies: Not guilty

March 12th, 2010

The clamour for magpie culls is like the baying of a crowd at a witch trial.  There’s no basis in fact for the claim that magpies are threatening British songbirds, only entrenched irrational ideas about corvids.

Organisations like the Songbird Survival Trust have in the past made badly misjudged calls for such culls. The real cause of population declines of species such as the bullfinch and yellowhammer is human activity: unsustainable land management, unecological farming practices and rampant urbanisation.  A new large-scale study published in the Journal of Applied Ecology has confirmed this. Read the rest of this entry