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Why Arctic foxes travel long distances?

Why Arctic foxes travel long distances?

The Arctic foxes have been noticed as travelling very long distances over the whole Arctic regions. Long time series of tracks retrieved by Argos enables to analyse this behaviour to understand why they might go so far, and whether they are staying there, at which...
Selecting sites for Harpy Eagles’ releases

Selecting sites for Harpy Eagles’ releases

Harpy Eagles are threatened birds of prey of Central and South Americas. A study show why and how releases of rehabilitated or captive-born animals should consider home range characteristics and habitat preferences.   The Harpy Eagle (Harpia harpyja), found in...