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Many birds fly, but some, like penguins and ostriches, don't, revealing an evolutionary twist. Flightless birds adapted to ...
Colossal Biosciences has announced a partnership to resurrect giant flightless birds called moa. But the company's recent ...
The fossil belongs to a species of pterosaur called sinopterus atavismus, unearthed in northeastern China. According to the study, its stomach contained phytoliths—tiny, rigid mineral structures ...