The UK bird population has declined by 44 million since 1966, according to a report by conservation groups.
The study is the first of its kind to give an overall view of how birds in the UK have fared over the decades.
It found that while certain species had increased in number, populations of some common birds had diminished dramatically.
The report, “State of the UK’s Birds 2012”, was compiled from volunteers’ observations of birds since the 1960s.
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