The Ostrich is the largest bird in the world. It also lays the largest eggs and has the fastest maximum running speed of 97 kph.
The Bee Hummingbird is the smallest living bird in the world, with a length of just 5 cm (2 in).
Kiwis are endangered, flightless birds that live in New Zealand. They lay the largest eggs relative to their body size of any bird in the world.
Among many species of Birds, Crow is the only bird which hold Funerals for their Dead as humans do.
The Penguin is the only bird that can Swim, but not Fly. It is also the only bird that Walks Upright.
The smallest bird egg belongs to the Hummingbird and is the size of a Pea. The largest bird egg, from which the Ostrich hatches, is the size of a Cantaloupe.
Only the Owls can turn their heads almost 360○ (a complete circle) but they cannot move their eyes.
Crows have the largest Cerebral Hemispheres (brains), relative to body size, of any Avian family (birds).
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