The impact of increasing vertebrate predator numbers on bird populations is widely debated
among the general public, game managers and conservationists across Europe. However …

Species extinctions have defined the global biodiversity crisis, but extinction begins with loss
in abundance of individuals that can result in compositional and functional changes of …

Assessing the presence and abundance of birds is important for monitoring specific species
as well as overall ecosystem health. Many birds are most readily detected by their sounds …

Billions of nocturnally migrating birds move through increasingly photopolluted skies, relying
on cues for navigation and orientation that artificial light at night (ALAN) can impair …

Birds that travel long distances between their wintering and breeding grounds may be
particularly susceptible to neurotoxic insecticides, but the influence of insecticides on …

Shorebirds are declining to a greater extent than many other avian taxa around the world. In
North America, shorebirds, along with aerial insectivores and grassland birds, have some of …

Over 90% of recent human‐caused extinctions are wild species known from only one nation.
These nationally endemic species represent one of the greatest global conservation …

Datasets that monitor biodiversity capture information differently depending on their design,
which influences observer behavior and can lead to biases across observations and …

Increasing concerns exist about possible decreased wintering duck abundance and hunting
opportunities in the southern regions of the Atlantic and Mississippi flyways of North …

Mercury is a global pollutant that has been widely shown to adversely affect reproduction
and other endpoints related to fitness and health in birds, but almost nothing is known about …