from the GNU version of the Collaborative International Dictionary of English

  • The division of Aves which includes all the typical birds, or all living birds except the penguins and birds of ostrichlike form.

from The Century Dictionary and Cyclopedia

  • A superordinal group of birds, containing all living birds excepting the struthious or ratite forms, the tinamous, and the penguins. It is the same as Carinat√¶ without the tinamous and penguins.


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