Abstract. Understanding habitat quality for birds is crucial for ecologists and managers, but
few papers have explored the advantages and disadvantages of different ways to measure …

This review reports on the effects of human activities on animal acoustic signals published in
the literature from 1970 to 2009. Almost 5% of the studies on variation in animal …

We have an ethical responsibility to provide captive animals with environments that allow
them to experience good welfare. Husbandry activities are often scheduled for the …

Migratory bird needs must be met during four phases of the year: breeding season, fall
migration, wintering, and spring migration; thus, management may be needed during all four …

Our understanding of migratory birds' year‐round ecology and evolution remains patchy
despite recent fundamental advances. Periodic reviews focus future research and inform …

Over the next century, climate change will dramatically alter natural resource management.
Specifically, historical reference conditions may no longer serve as benchmarks for …

Public information (PI), a form of indirect social information, is used by individuals to estimate
the quality of environmental parameters. It can be acquired in two ways. One way is by …

Efforts to stabilize or increase grassland bird populations require identification of suitable
habitat as a first step. Although the number of studies examining grassland‐bird habitat …

Vol. No. April evidence for area sensitivity in grassland birds?() What are the
historical explanations for area sensitivity?() What ecological processes could produce …

Many species across taxa select habitat based on conspecific presence, known as
conspecific attraction. Studies that document conspecific attraction typically provide social …