What factor is historically implicated in the decline of Bullfinches on farmland?

Answer

Modernization and intensification of agricultural practices

The decline observed in areas like the UK is generally attributed to adverse environmental changes resulting from the modernization and intensification of agricultural practices, which often leads to habitat loss.

What factor is historically implicated in the decline of Bullfinches on farmland?
raritybirdornithologywildlifeBullfinch