AZ Animals on MSN
The science behind the vulturine guinea fowl’s striking feathers
Quick Take Shatters the pigment myth: structural coloration crafts the vivid blue feathers, produced by microscopic feather ...
Cassowaries are big flightless birds with blue heads and dinosaur-looking feet; they look like emus that time forgot, and they're objectively terrifying. They're also, along with their ostrich and ...
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