Author: Marcel

The fitness of an individual bird is a very important measure in the research of behaviour, evolution and the protection of species. But how do we quantify fitness? Is it just the body weight of an animal, or do we need to measure more variables? And how do you do this in a good manner … Read More

The Wadden Sea is of great importance to shorebirds, with millions of birds overwintering or fuelling for migration in the area each year. But they also face disturbances from natural and anthropogenic sources, including raptors, walkers, cyclists, boats and aircraft. A new, three-year study takes a detailed look at the effects of aircraft on the … Read More