https://royalsocietypublishing.org/doi/10.1098/rstb.2017.0091

Health hazards to wild birds and risk factors associated with anthropogenic food provisioning | Philosophical Transactions of the Royal Society B: Biological Sciences
Provision of supplementary food for wild birds at garden feeding stations is a common, large-scale and year-round practice in multiple countries including Great Britain (GB). While these additional dietary resources can benefit wildlife, there is a ...

https://royalsocietypublishing.org/doi/10.1098/rstb.2017.0091