Numbers are Dwindling
The UK's bird population have seen a huge decrease in less than half a century. This would average to losing 50 house sparrows every hour. The number of nesting birds has also seen a decrease from 1966. The 2012 UK's Bird report shows that today there are 166 millions from when there was 210 million. The house sparrow has dropped in tens of millions from 1966. Others that have noticeably declined is willow tits, woodpeckers and arctic skuas. This years figures shows that there may only be 1,500 pairs left of each of the three species left in the UK. The number of farm bird species has also halved since 1970.
This leaves experts to conclude that British breeding birds are dissappearing at the rate of one per minute. Man made and natural causes are both to blame for this. Land management and weather are 2 of the major causes: the climate has dropped greatly pushing a decline in the Wren numbers. However there are other factors involved and they are not certain of the causes for decline in every species. For example, they know that the cold weather has a big part to play in the decline of Wrens, however the disappearing numbers of Sparrows is still unknown.
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Or in the 2012 UK's Bird report.
Photo by Pete Birkinshaw