Artificial nest experiments have been used in approximately 80 recent studies to identify a
wide range of factors influencing reproductive success of birds. Despite the same factors …

T hroughout the New World attention is now being focused on the status of populations of
landbirds, which are the many species of smaller birds, sometimes referred to as" non …

El presente manual es una recopilación de métodos de campo para la determinación de
índices de abundancia y datos demográficos de poblaciones de aves terrestres en una …

Observations of 21 species of open—nesting passerines breeding in contiguous field and
forest habitats at Rose Lake Wildlife Research Area, Michigan, were made during 1974 and …

A survey of the clutch size of 217 species of passerines of the humid neotropics shows that
two is the prevailing number of eggs, sets of one and three are less frequent, and larger sets …

To learn about the behavior and ecology of nesting birds, we often study them when they
occupy nesting territories. But by visiting territories or nests, the investigator may to a greater …

The hypothesis that a negative relationship exists between clutch size and the probability
that the nest will be robbed is tested, using data for passerine birds given in the literature …

In this study we document the effect of nest predation on a grassland bird community that
includes habitat for regionally endangered or rare bird species. Predation on bird eggs and …

The fates of 121 nests of Northern Cardinals (Cardinalis cardinalis) in south-western Ohio
were determined in 1991 and 1992. Success rate was only 15%, estimated by the Mayfield …

This study examined predator faunas of artificial ground and shrub nests and whether nest
predation risk was influenced by nest site, proximity to forest edge, and habitat structure in …