@article{Hancock2009,
  author    = {John Hancock},
  title     = {Note on the habit of the young Cuckoo in ejecting the eggs and young of its foster-parent from the nest},
  journal   = {Natural history transactions of Northumberland, Durham, and Newcastle upon Tyne},
  volume    = {8},
  pages     = {213},
  year      = {2009},
}