What is the magnitude of the group-size effect on vigilance?

Vigilance, Flock Size, and Flock Geometry: Information Gathering by Western Evening Grosbeaks (Aves, Fringillidae)

(2010) Marc Bekoff   ETHOLOGY

Sexual, Seasonal and Group Size Differences in the Allocation of Time between Vigilance and Feeding in the Greater Rhea, Rhea americana

(2010) Juan C. Reboreda et al.   ETHOLOGY

Conspecific presence makes exploiting cryptic prey more difficult in wild-caught nutmeg mannikins

(2008) Sabrina Courant et al.   ANIMAL BEHAVIOUR

Fitness consequences of personality: a meta-analysis

(2008) Brian R. Smith et al.   BEHAVIORAL ECOLOGY

PHYLOGENETIC META-ANALYSIS

(2008) Dean C. Adams   EVOLUTION

Social influences on foraging behaviour of the Red-cheeked Cordon Bleu Uraeginthus bengalus Estrildidae

(2008) Dawi Musa Hamed et al.   IBIS

Vigilance during food handling by Oystercatchers Haematopus ostralegus reduces the chances of losing prey to kleptoparasites

(2008) JOHN D. GOSS-CUSTARD et al.   IBIS