Coherence, Composition and Territories of Winter Social Groups of the Willow Tit Parus montanus and the Crested Tit P. cristatus

Perspectives in Ethology

1973 • 1,059 citations

Animal Populations in Relation to Their Food Resources.

1971 • 615 citations

Experimental analysis of the social value of flocking by starlings (Sturnus vulgaris) in relation to predation and foraging

1974 • 482 citations

FLOCKING AND FEEDING IN THE GREAT TIT PARUS MAJOR–AN EXPERIMENTAL STUDY

1972 • 405 citations

Alternate Routes to Sociality in Jays—With a Theory for the Evolution of Altruism and Communal Breeding

1974 • 387 citations

Dynamics of Populations.

1973 • 332 citations

Social learning and the significance of mixed-species flocks of chickadees (Parus spp.)

1973 • 236 citations

On the evolution of hoarding behaviour

1978 • 229 citations

On Predation, Competition, and the Advantages of Group Living

1978 • 151 citations

Estimating the Parameter in a Conditional Poisson Distribution

1960 • 132 citations

Impact of Some Wintering Birds on Spider Abundance in Spruce

1977 • 101 citations

Foraging niche dynamics and overlap in a guild of passerine birds in a south Swedish coniferous woodland

1977 • 45 citations

Flocking and Feeding in the Great Tit Parus major -- An Important Consideration

1978 • 28 citations

Bird Flocks in Relation to Vegetation Diversification in a South Swedish Coniferous Plantation during Winter

1975 • 17 citations