The Osprey is an emblematic example of conservation. Currently, the species is progressively recovering in population size and range after dramatic reductions as a consequence of human persecution...

There is the tendency to assume that endangered species have been both genetically and demographically healthier in the past. The Iberian lynx suffered a dramatic and continuous decline during the...

The ecological role of species can vary among populations depending on local and regional differences in diet. This is particularly true for top predators such as the bottlenose dolphin, which...

Much biodiversity data is collected worldwide, but it remains challenging to assemble the scattered knowledge for assessing biodiversity status and trends. The concept of Essential Biodiversity...

The distribution of juvenile dispersal distances of a territorial long-lived species with deferred maturity, the Spanish imperial eagle, was investigated. A reintroduction program was used as an...