Why is the kiwi egg so big? | Surprising Science

The kiwi is a unique, flightless bird native to New Zealand, distinguished by its small size, hair-like feathers, and long sensitive bill. Unlike most birds, kiwis rely heavily on their sense of smell to locate insects, worms, and other invertebrates hidden in the soil. They are nocturnal and highly secretive, spending much of their time in burrows during the day. Kiwis also lay one of the largest eggs relative to body size of any bird, an extraordinary adaptation among avian species. Fun fact:

The REAL Reason Kiwis Are Actually Birds

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