Angry Birds: The Real Predators of the Rivers | Wild Italy | Episode 4 | Free Documentary Nature

A fascinating nature documentary highlighting a massive demographic boom of predatory water birds throughout Italy, specifically focusing on the Mute Swan and the cormorant. The episode explores how the introduction of alien species like the American killer crayfish has completely altered the ecological balance of freshwater lakes and streams along the Tiber River, creating a globalized ecosystem where native and invasive wildlife must adapt to survive.

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