Hawaii braces for major hurricane

Residents of Hawaii on Wednesday braced for a powerful hurricane bearing down on the US state, with warnings issued in several counties in the island chain.

Macaws may communicate visually with blushing, ruffled feathers

Parrots—highly intelligent and highly verbal—may also ruffle their head feathers and blush to communicate visually, according to a new study published August 22 in the open-access journal PLOS ONE by Aline Bertin of the ...

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