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 21
... Incubation of eggs is performed by both sexes in all species except the emperor penguin , in which it is done by the male alone . The incubation period begins immediately following the laying of the single egg in the emperor and king ...
... Incubation of eggs is performed by both sexes in all species except the emperor penguin , in which it is done by the male alone . The incubation period begins immediately following the laying of the single egg in the emperor and king ...
Page 33
... incubation or with hatched young , she will indulge in injury - feigning , flapping or dragging her wings in an uncoordinated fashion that serves to distract predators . The length of the incubation period shows little relation to ...
... incubation or with hatched young , she will indulge in injury - feigning , flapping or dragging her wings in an uncoordinated fashion that serves to distract predators . The length of the incubation period shows little relation to ...
Page 57
... incubation and care of chicks to the male . The nest is a shallow , sodden pile of vegetation that floats among aquatic plants . Chicks are downy and run well when a day old . Both chicks and adults may dive to escape danger and remain ...
... incubation and care of chicks to the male . The nest is a shallow , sodden pile of vegetation that floats among aquatic plants . Chicks are downy and run well when a day old . Both chicks and adults may dive to escape danger and remain ...
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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