Long-term patterns of garden use
How garden use by species has changed over time
Participants record the maximum number of individuals seen at any one time in their garden. We then average these counts across sites to calculate the average maximum weekly count. The reporting rate is a measure of the proportion of gardens which observed that species during a particular week.
What effect might annual releases of non-native gamebirds be having on native biodiversity?
Henrietta Pringle reveals the work behind a recent paper on gamebirds and predation
Climate change in a warming world
BTO science contributes to our understanding of future scenarios, and informing policies and conservation management strategies to help species adapt.