alarming declines in European farmland birds

"The Pan-European Common Bird Monitoring Scheme has compiled population figures for 145 common and widespread bird species in 25 European countries between 1980 and 2009. Amongst those species covered, farmland birds are the most threatened group, with 20 out of 36 species in decline, and overall numbers at an all-time low, down by 48% since 1980."

"Some of the species that have declined the most over the last three decades include familiar farmland birds like Grey Partridge Perdix perdix (–82%), Skylark Alauda arvensis (–46%), Linnet Carduelis cannabina (–62%) and Corn Bunting Miliaria calandra (–66%)."

Read more at this link.