This photo of the 'smallest bird in the world' actually shows a

There's been a new sensational discovery in the bird world, according to social media: a photo showing the smallest bird in the world. But as cute as it is, it's not real – it's an April Fools' joke…

Hummingbirds Smithsonian's National Zoo and Conservation Biology Institute

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Re-sighting Color-banded Birds Smithsonian's National Zoo and Conservation Biology Institute

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The Inaccessible rail Atlantisia rogersi – here showing its stubby

Viral Image Does Not Show the 'World's Smallest Bird

Hummingbirds: Magic in the Air ~ Infographic: All About Hummingbirds, Nature, PBS