The Kiwi is a bird that has thrown out the rulebook of bird biology. It doesn't fly, lives in the dark, and resembles a mammal more than anything bird-like. But how did a flightless bird find itself on islands in the middle of the ocean? | Real Wild

3.5M views · 565 reactions | The kiwi bird’s egg is so large, it’s the same as a human mother giving birth to a four-year-old child! 讀 | BBC Two | Facebook