Bird species by name
Bird species by number
Natalie Doran-Browne et al, ‘Offsets required to reduce the carbon balance of sheep and beef farms through carbon sequestration in trees and soils’ (2018) 58 Journal of Animal Production Science 1648–1655
Birds on Farms: Ecological Management for Agricultural Sustainability
Sustainable Farming by Andrew Campbell
Young Carbon Farmers
Peter Cullen Trust - Bridging Newsletter