From the red grouse to the Ethiopian bush-crow, bird populations around the world can
provide us with vital insights into the effects of climate change on species and ecosystems …

Many authors have suggested that the negative effects of roads on animals are largely
owing to traffic noise. Although suggestive, most past studies of the effects of road noise on …

Relative to the northern hemisphere, little is known about the effect of climate change on
southern hemisphere birds, although the impact could be significant. Here we review the …

Across the globe, unprecedented declines have been reported across a range of taxa.
Among the most well documented are declines in bird populations, with most declines …

Monitoring songbird reproductive output is a well-established method for assessing
population persistence, but reproductive studies on grassland songbirds often suffer from …

1. Demographic analysis is essential in order to determine which factors, such as survival,
fertility and other life-history characteristics, have the greatest influence on a population's …

Ecosystem engineers play a large role in physically structuring the ecosystem in which they
are embedded. The focus of much of the research surrounding these species is to document …

Bird populations have declined in many parts of the world but most of those declines can be
attributed to effects of human activities (eg, habitat fragmentation); declines in areas …

Counts of visible migrants at traditional watchsites throughout North America provide an
opportunity to augment population-monitoring efforts for birds of prey. We analyzed hourly …

Riparian vegetation along the Sacramento River—California's largest river—has been
almost entirely lost, and several wildlife species have been extirpated or have declined as a …