The latest report from the British Trust of Ornithology (BTO) suggests the wren has become the UK’s ‘commonest bird’, with over 11 million pairs.

They led the way in the last report from 2013, with a population of 8.5 million pairs.

It’s thought that milder winters are probably benefitting the species.

Out of a total of 249 breeding species assessed in the report, 21 species have estimates of more than one million pairs.

In second place was the robin, the unofficial national bird of the UK, with 7.35 million pairs.

robin singing

The report also contains some bad news, with turtle doves down from 75,000 pairs in 1997 to just 3,600.

Worryingly, it has also found that there are no more breeding waders in the UK that have a population greater than 100,00 pairs, with the lapwing and oystercatcher falling below this for the first time.

The most surprising discovery from this report is the fall in numbers of the chaffinch. Although in the top five, their breeding population has dropped by 1.15 million pairs since the last report in 2013, and BTO scientists are unsure why.

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