Status
The Song Thrush has an extensive range, estimated at 10 million square kilometres (3.8 million square miles), and a large population, with an estimated 40 to 71 million individuals in Europe alone.
In the western Palaearctic, there is evidence of population decline, but at a level below the threshold required for global conservation concern (i.e., a reduction in numbers of more than 30% in ten years or three generations) and the IUCN Red List categorises this species as of "Least Concern". In Great Britain and the Netherlands, there has been a more than 50% decline in population and the Song Thrush is included in regional Red Lists. The decreases are greatest in farmlands (73% since the mid 1970s) and believed to be due to changes in agricultural practices in recent decades. The precise reasons for the decline are not known but may be related to the loss of hedgerows, a move to sowing crops in autumn rather than spring, and possibly the increased use of pesticides. These changes may have reduced the availability of food and of nest sites. In gardens, the use of poison bait to control slugs and snails may pose a threat and in urban areas, some thrushes are killed while using the hard surface of roads to smash snails.
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