British Farm Birds. The official list of British birds held by the British Ornithologists Union currently contains 621 species. All 10500 birds at the farm would be culled to limit the spread of the disease which was identified as the highly contagious H5N8 strain.
This survey covered many of the 46 farm woodland sites previously surveyed in 1999 as well as up to 2000 other farm woods which hadnt been surveyed at all. Surveyors needed to be able to identify birds by sight and sound and ideally have had experience with other BTO surveys or bird territory mapping. The yellow wagtail which inhabits farm and wetland has declined by 45 over the same period.
This survey covered many of the 46 farm woodland sites previously surveyed in 1999 as well as up to 2000 other farm woods which hadnt been surveyed at all.
These bird identification guides provide information about over 190 of the most common British birds including garden birds birds of prey shorebirds and waterfowl. The official list of British birds held by the British Ornithologists Union currently contains 621 species. His Holiness Sri Ganapathy Sachchidananda Swamijis deep concern for the preservation of our environment has manifested itself in Avadhoota Datta Peetham My. Research has shown that often declines in farmland bird species are associated with more than one factor impacting on a species simultaneously.