Nest predation is a key source of selection for birds that has attracted increasing attention
from ornithologists. The inclusion of new concepts applicable to nest predation that stem …

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

Site fidelity, the tendency to return to a previously occupied location, has been observed in
numerous species belonging to at least three phyla. In this paper I develop a general model …

We reviewed the avian literature for quantitative studies of sex biases in dispersal and found
continued and strengthened support for the general pattern of female biased dispersal …

Habitat selection is a crucial process in the life cycle of animals because it can affect most
components of fitness. It has been proposed that some animals cue on the reproductive …

Many species of birds that depend on grassland or savanna habitats have shown
substantial overall population declines in North America. To understand the causes of these …

Habitat fragmentation has been implicated as a major cause of population decline in
grassland birds. We tested the hypothesis that a combination of area and shape determines …

I studied 787 female and 510 male Prothonotary Warblers (Protonotaria citrea) breeding in
southern Illinois, USA, from 1994 to 2000 to test two competing hypotheses that may explain …

There is growing evidence that many species of birds have declined throughout the eastern
United States during the past 40 years. In many cases this decline involves groups of …

The quality of a bird's breeding site is a primary determinant of its success or failure to
reproduce there. We expect birds to devote considerable effort to acquiring accurate …