TY  - RPRT
TI  - Food offering in jackdaws ( Corvus monedula).
AU  - Selvino R de Kort
AU  - Nathan J Emery
AU  - Nicola S Clayton
PY  - 2003
DO  - 10.1007/s00114-003-0419-2
UR  - https://pubmed.ncbi.nlm.nih.gov/12743708/
ID  - 12743708
ER  -