How Ancient 'Deer' Lost Their Legs and Became Whales
Over millions of years, they traded in their legs for flippers, gained blow holes and evolved into the largest creatures on Earth.
Article
Over millions of years, they traded in their legs for flippers, gained blow holes and evolved into the largest creatures on Earth.
Article
Discover Magazine
How Ancient 'Deer' Lost Their Legs and Became Whales
Over millions of years, they traded in their legs for flippers, gained blow holes and evolved into the largest creatures on Earth.
4K Songs of Birds in Winter - Nature Relax with Real Birds' Chirping
4K Relaxation Channel
Bird Songs of winter- early spring
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