The New Encyclopædia Britannica: In 32 Volumes. A-ak - Bayes, Volume 1Philip W. Goetz, Dale H. Hoiberg, Robert MacHenry Encyclopædia Britannica, 1992 - 32 pages |
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Page 27
... lower mandible . Nostrils almost closed . Furculum fused with sternum . Down of nestlings white . 10 fossil species in the genera Pelecanus ( the earliest from lower Miocene of France ) and Liptornis ( middle Miocene ) . One extant ...
... lower mandible . Nostrils almost closed . Furculum fused with sternum . Down of nestlings white . 10 fossil species in the genera Pelecanus ( the earliest from lower Miocene of France ) and Liptornis ( middle Miocene ) . One extant ...
Page 54
... lower Oligocene to lower Miocene ; North America ; eight species known . + Family Eogruidae . Fossil only ; upper Eocene to upper Miocene ; eastern Asia ; two species known . Family Gruidae ( cranes ) . Lower Eocene to present . Bill ...
... lower Oligocene to lower Miocene ; North America ; eight species known . + Family Eogruidae . Fossil only ; upper Eocene to upper Miocene ; eastern Asia ; two species known . Family Gruidae ( cranes ) . Lower Eocene to present . Bill ...
Page 71
... lower mandibles of parrots normally have a stronger and more uniform curve . Often the anterior edge of the lower jaw is broad and truncate . The under surface of the upper bill usually possesses transverse or oblique file - like ...
... lower mandibles of parrots normally have a stronger and more uniform curve . Often the anterior edge of the lower jaw is broad and truncate . The under surface of the upper bill usually possesses transverse or oblique file - like ...
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19th century adult America anemia antibodies antigens areas Asia behaviour bill birds blood group bodhisattva body Bolivia bone Brazil Brazilian breeding broadcasting bryophytes Buddha Buddhist building called Caprimulgiformes centimetres central centre China clotting colonial colour countries cuckoos cultural disease display early eggs electrons Eocene falconiforms Family feathers feeding feet female forest fossil frequency genera genus gruiform hemoglobin important incubation Indian insects islands known legs light Mahāyāna major male marrow metres monks nest nightjars normal North owls pair Pāli parrots passerines pattern pelecaniforms penguins percent perch period Piciformes pigeons plasma platelets plumage political population produced programs protein radio red cells region river São Paulo scanning sexes short signal South species sporangium structure Suborder surface tail television Theravada tion tissue toes tradition trees tropical tube usually Vajrayāna varies wings woodpeckers World young