Cooperative bird differentiates between the calls of different individuals, even when vocalizations were from completely unfamiliar individuals

Bell miner provisioning calls are more similar among relatives and are used by helpers at the nest to bias their effort towards kin

(2011) P. G. McDonald et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Black-capped chickadees, Poecile atricapillus, can use individually distinctive songs to discriminate among conspecifics

(2010) David R. Wilson et al.   ANIMAL BEHAVIOUR

Nestling begging increases predation risk, regardless of spectral characteristics or avian mobbing

(2009) P. G. McDonald et al.   BEHAVIORAL ECOLOGY

Individual distinctiveness in the mobbing call of a cooperative bird, the noisy minerManorina melanocephala

(2009) Robert A. W. Kennedy et al.   JOURNAL OF AVIAN BIOLOGY

Routes to indirect fitness in cooperatively breeding vertebrates: kin discrimination and limited dispersal

(2009) C. K. CORNWALLIS et al.   JOURNAL OF EVOLUTIONARY BIOLOGY

Helping effort increases with relatedness in bell miners, but 'unrelated' helpers of both sexes still provide substantial care

(2009) J. Wright et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Helping as a signal: does removal of potential audiences alter helper behavior in the bell miner?

(2008) Paul G. McDonald et al.   BEHAVIORAL ECOLOGY