This book meets the demand for a comprehensive introduction to understanding the
processes of population limitation. Recognized world-wide as a respected biologist and …

(1) The survival of 1594 adult, 153 yearling and 439 young barnacle geese Branta leucopsis
between the breeding area in Svalbard and the wintering area in Scotland was determined …

Philopatry in migratory species can apply to any location used during the annual cycle. The
degree of philopatry influences the genetic structure of populations, but only at the stage of …

When fighting is costly, avoiding contests with superior opponents should confer fitness
advantages. Black howler monkeys, Alouatta pigra, produce loud calls that reliably indicate …

It has been known for some time that the consequences of 'decisions' made at one point in
an animal's life may not always be borne immediately. For example, numerous studies have …

The proportion of animals in a population that breeds is an important determinant of
population growth rate. Usual estimates of this quantity from field sampling data assume that …

Social dominance plays an important role in assessing and obtaining access to patchy or
scarce food sources in group-foraging herbivores. We investigated the foraging strategies of …

We examined the influence of timing of reproduction and brood size on growth rates of
goslings of nidifugous Lesser Snow Geese (Anser caerulescens) using data collected at La …

In barnacle geese Branta leucopsis, pair-bond members generally remain together every
day, each year, often for life. Geese that maintain long-lasting pair bonds during their lifetime …

In conflicts between social groups, the decision of competitors whether to attack/retreat
should be based on the assessment of the quantity of individuals in their own and the …