The key genes change the chemical structure of the pigment molecule through the actions of an enzyme which adds just one atom ...

Scientists are celebrating the recovery of the species in Yosemite National Park, where they were decimated by the ...

The migratory pattern of the scarlet tanager typically involves a straight line from as far north as Maine to as far south as ...

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From the Carnival in Rio de Janeiro to the shoulders of pirates: parrots are synonymous with color for people across the world. In a new study, scientists uncover a 'switch' in the DNA of parrots that ...

Australian finches' bill colors come from small genetic variations affecting how they process dietary pigments.

From the Carnival in Rio de Janeiro to the shoulders of pirates: parrots are synonymous with colour for people across the ...