Unlike resident bird species, the population sizes of migratory species can be influenced by
conditions in more than one part of the world. Changes in the numbers of migrant birds …

The populations of many species of farmland bird declined greatly across Europe during the
last quarter of the twentieth century, indicating severe damage to the continent's biodiversity …

The phenomenon of bird migration has fascinated people from time immemorial. The
arrivals and departures of different species marked the seasons, heralding spring and …

European pseudo‐steppes have suffered from extensive changes in agricultural practices
during the past decades with the disappearance of field margins and fallow systems and the …

1. We model the effect of annual weather conditions on lesser kestrel Falco naumanni
breeding success in South-western Spain. Models indicate that rainfall is a good predictor of …

Summary 1 The little bustard Tetrax tetrax is among many birds thought to be declining
because of agricultural intensification in western Europe. In contrast with the situation …

Technological advances for wildlife monitoring have expanded our ability to study behavior
and space use of many species. But biotelemetry is limited by size, weight, data memory and …

Gradients of agricultural intensification in agroecosystems may determine uneven resource
availability for predators relying on these man-made habitats. In turn, these variations in …

Environmental variables measured on 1: 10,000 to 1: 3,000,000-scale maps of southern
Spain were used to build generalized linear models for presence/absence of lesser kestrel …

The intensification of agricultural practices has been identified as the main cause of
population decline in farmland birds since the 1960s in both Europe and North America …