Walrus: Two Tonne Tusker

  

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Walrus: Two Tonne Tusker8/10. Sivuqaq is an 18-year-old, larger-than-life pacific walrus. Reproduction scientist Holley Muraco is taking on the biggest challenge of her life - trying to help him become a dad. [S,AD]Sat, Feb 9, 10:00 amBBC TWO60 mins