Chris Packham elaborates on more strange phenomena in the animal world. In California, a marina is flooded with dead sardines. There are several theories about what happened to them, but dissection showed a chemical produced by blooming algae which caused a fatal lack of oxygen.
Serial:
Zdumiewające cuda naturySezon:
1Premiera (Świat):
4 stycznia 2012Kraj produkcji:
Wielka BrytaniaGatunek:
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