A shocking sequence shows the huge mammals scaling steep cliffs, then falling to their death.
Arctic walrus is seen off Welsh coast - after 280-mile swim from Ireland where it was last spotted
Do lemmings actually jump off of cliffs?, lemmings na vida real
Our Planet: behind the scenes with a one tonne walrus
Walruses Seen Falling to Their Deaths in Netflix Docu-Series
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Netflix's “Our Planet” and that Walrus Scene – The Outdoor Journal
The 30 Best Underwater & Deep Sea Documentaries, Ranked By Fans
Videos: Lemming Suicide, the No. 1 Nature Hoax, lemmings na vida
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WARNING GRAPHIC IMAGES: Netflix documentary scene shocks viewers
The Real World – World Wide Walrus Web
Netflix's Our Planet showed walruses in distress. We need to find what humanity's role is
南极20℃高温,企鹅快顶不住了- 知乎