15 Smallest Birds in the World

12. Brown Gerygone
Brown Gerygone bird Endemic to Australia
Brown gerygones (Gerygone mouki) are tiny pale birds found in different regions across the Australian continent.

The maximum length the birds grow up to is 4 inches, weighing between 0.17 – 0.21 ounces.

The mating season of the brown gerygone spans from September to February, during which the Gery gone couple builds a nest using a variety of materials such as webs, moss, roots, lichens, and feathers.

After this, the female lays around 2-4 eggs in the nest, incubating for 12-14 days. Fourteen days post-hatching, the chicks are ready to leave the nest.
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