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 36
... plumage and behaviour ; brief pair bond and family life . Double annual molt ; males often alternate a cryptic " eclipse " plumage with a conspicuous nuptial one ; downy young strongly patterned . Female " inciting " display present ...
... plumage and behaviour ; brief pair bond and family life . Double annual molt ; males often alternate a cryptic " eclipse " plumage with a conspicuous nuptial one ; downy young strongly patterned . Female " inciting " display present ...
Page 63
... plumage , long slender bill , and moderately long legs . Female larger and brighter than male . Occipital foramina present ; sternum narrow , with single pair of notches . Crop present in Rostratula ; trachea convoluted in female . Two ...
... plumage , long slender bill , and moderately long legs . Female larger and brighter than male . Occipital foramina present ; sternum narrow , with single pair of notches . Crop present in Rostratula ; trachea convoluted in female . Two ...
Page 105
... plumage of solid grays , black , brown , white spots in wings and tail , some with yellow mark- ings . Four species , found from southwestern U.S. to Panama ; in brush country , desert scrub , open forest . Rather shy , active birds ...
... plumage of solid grays , black , brown , white spots in wings and tail , some with yellow mark- ings . Four species , found from southwestern U.S. to Panama ; in brush country , desert scrub , open forest . Rather shy , active birds ...
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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