Ecological and demographic correlates of helping behaviour in a cooperatively breeding bird

Variable Helper Effects, Ecological Conditions, and the Evolution of Cooperative Breeding in the Acorn Woodpecker

(2011) Walter D. Koenig et al.   AMERICAN NATURALIST

Patterns of recruitment, relatedness and cooperative breeding in two populations of long-tailed tits

(2011) Stuart P. Sharp et al.   ANIMAL BEHAVIOUR

Predation and kin-structured populations: an empirical perspective on the evolution of cooperation

(2011) Andrew P. Beckerman et al.   BEHAVIORAL ECOLOGY

Brood sex ratio variation in a cooperatively breeding bird

(2011) K.-B. NAM et al.   JOURNAL OF EVOLUTIONARY BIOLOGY

No direct fitness benefits of helping in a cooperative breeder despite higher survival of helpers

(2010) J. Meade et al.   BEHAVIORAL ECOLOGY

Environmental Uncertainty and the Global Biogeography of Cooperative Breeding in Birds

(2010) Walter Jetz et al.   CURRENT BIOLOGY

Consequences of ‘load-lightening’ for future indirect fitness gains by helpers in a cooperatively breeding bird

(2010) Jessica Meade et al.   JOURNAL OF ANIMAL ECOLOGY

Kinship affects investment by helpers in a cooperatively breeding bird

(2010) K.-B. Nam et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

The evolution of cooperative breeding in birds: kinship, dispersal and life history

(2009) B. J. Hatchwell   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Natal dispersal and recruitment in a cooperatively breeding bird

(2008) Stuart P. Sharp et al.   OIKOS

Dispersal of sibling coalitions promotes helping among immigrants in a cooperatively breeding bird

(2008) S. P Sharp et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Ancestral Monogamy Shows Kin Selection Is Key to the Evolution of Eusociality

(2008) W. O. H. Hughes et al.   SCIENCE

Scaling regression inputs by dividing by two standard deviations

(2007) Andrew Gelman   STATISTICS IN MEDICINE