Unlike resident bird species, the population sizes of migratory species can be influenced by
conditions in more than one part of the world. Changes in the numbers of migrant birds …

Informed management of waterfowl (or any animal population) requires management goals
and objectives, the ability to implement management actions, periodic information about …

Scientists rely on food webs—complex networks that trace the flow of nutrients and energy
between species and through ecosystems—to understand the infrastructure of ecological …

Vertebrate herbivores in northern latitudes are generalists in their selection of forage
species. Their foraging behaviour is influenced by the availability of vegetation of high …

Abstract The Mid‐Continent Population of the lesser snow goose, which breeds in the
eastern and central Canadian Arctic and sub‐Arctic, and winters in the southern United …

In highly seasonal environments, timing of breeding of organisms is typically set to coincide
with the period of highest resource availability. However, breeding phenology may not …

This book arose out of teaching graduate and undergraduate classes in wildlife diseases. It,
in some ways, chronicles my involvement in the investigation and diagnosis of diseases in …

The survival probability of birds during the juvenile period, between the end of parental care
and adulthood, is highly variable and has a major effect on population dynamics and …

1 A 2-year study is described which suggests that a positive feedback process results in the
destruction of salt-marsh swards and the exposure of bare sediments at La Perouse Bay …

Even though feeding conditions typically improve over time during the laying period, clutch
size decreases over the course of the nesting period in most bird species. We examined …