Apterygidae -

: Unlike most birds with hollow bones, kiwis have marrow-filled bones. 👃 Super Senses

: Their vestigial wings are tiny and completely useless for flight. apterygidae

: Their plumage lacks barbules and feels exactly like shaggy hair. : Unlike most birds with hollow bones, kiwis

The family Apterygidae contains the kiwi , an extraordinary flightless bird endemic exclusively to New Zealand. 🥚 Bizarre Biology apterygidae

: Females lay eggs up to 20% of their body weight.