Duck Quacks Don't Echo

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Original run: 13 Jan 2014 – 3 Mar 2014

Country of origin: US

Genre: Discovery/Science, Educational

Network: National Geographic Channel US

Watched by: 7 of 616 249 0%

Total running time: 7 hours

Episode duration: 30 minutes

IMDB rating: 6.2 of 10 53

MyShows rating: 4 of 5 2


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