Terborgh, J (2005). "Mixed flocks and polyspecific associations: Costs and benefits of mixed groups to birds and monkeys". American Journal of Primatology. 21 (2): 87–100. doi:10.1002/ajp.1350210203. PMID31963979. S2CID83826161.
Camacho, Carlos (July 2011). "Variations in Flocking Behaviour from Core to Peripheral Regions of a Bird Species' Distribution Range". Acta Ethologica. 15: 153–158. doi:10.1007/s10211-011-0111-z. hdl:10261/67487. S2CID5916917.
Camacho, Carlos (July 2011). "Variations in Flocking Behaviour from Core to Peripheral Regions of a Bird Species' Distribution Range". Acta Ethologica. 15: 153–158. doi:10.1007/s10211-011-0111-z. hdl:10261/67487. S2CID5916917.
Terborgh, J (2005). "Mixed flocks and polyspecific associations: Costs and benefits of mixed groups to birds and monkeys". American Journal of Primatology. 21 (2): 87–100. doi:10.1002/ajp.1350210203. PMID31963979. S2CID83826161.
Terborgh, J (2005). "Mixed flocks and polyspecific associations: Costs and benefits of mixed groups to birds and monkeys". American Journal of Primatology. 21 (2): 87–100. doi:10.1002/ajp.1350210203. PMID31963979. S2CID83826161.
Camacho, Carlos (July 2011). "Variations in Flocking Behaviour from Core to Peripheral Regions of a Bird Species' Distribution Range". Acta Ethologica. 15: 153–158. doi:10.1007/s10211-011-0111-z. hdl:10261/67487. S2CID5916917.