Ornithologists have played a key role in the development of the habitat concept. The
conspicuous nature of birds has allowed ornithologists to assemble a vast amount of …

Ecological indicators for long‐term monitoring programs are needed to detect and assess
changing environmental conditions. We developed and tested community‐level …

Recent declines in Neotropical—Nearctic migrant songbird populations are often attributed
to events during the nonbreeding season, such as tropical habitat conversion and drought …

Fragmentation of breeding habitat in North America has been implicated in the decline of
forestnesting, Neotropical migrant birds. We used a comparative approach to examine the …

Changes in the populations of 28 species of birds typical of farmland habitats were
assessed using data from seven Breeding Bird Survey (BBS) routes surveyed in southern …

White-tailed deer (Odocoileus virginianus) populations have been maintained at high
densities in Pennsylvania for several decades with unknown effects on songbirds and their …

Unlike other regions of North America, forested habitats in New England bave increased
substantially in the past 100 years. The proportion of land in New Hampshire covered by …

Migratory passerine birds that breed in the temperate zone and winter at tropical latitudes
comprise one of the grand spectacles of nature, in terms of their prodigious flying and …

We monitored 42 radio-tagged, fledgling Wood Thrushes (Hylocichla mustelina) to
investigate movement and habitat use during the postfledging period. Fledglings' mean …

The conservation of long-distance migratory songbirds is complicated by their life-history
characteristics and the spatial scales that they traverse. Events during migratory stopovers …