The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 1997 |
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Page 30
... Head throw display by male canvasback ( Aythya vallisneria ) . Figure 19 : Feeding characteristics of Anseriformes . ( A. ture of the feathers being nibbled into the interlocking position necessary to prevent the entry of water . Rear ...
... Head throw display by male canvasback ( Aythya vallisneria ) . Figure 19 : Feeding characteristics of Anseriformes . ( A. ture of the feathers being nibbled into the interlocking position necessary to prevent the entry of water . Rear ...
Page 51
... head , exposing elegant patterns of red - brown , olive , gray , and black . In this posture he runs in a circle and may jump up in the air or bob his head . In its aggressive display , the kagu stands erect , with the long feathers of ...
... head , exposing elegant patterns of red - brown , olive , gray , and black . In this posture he runs in a circle and may jump up in the air or bob his head . In its aggressive display , the kagu stands erect , with the long feathers of ...
Page 59
... head horizontal , sometimes " head tossing " and uttering a liquid call . Instead of threat- ening , the male may be induced to walk off with such a female . Aggressive feelings are lessened by a display called " facing away , " in ...
... head horizontal , sometimes " head tossing " and uttering a liquid call . Instead of threat- ening , the male may be induced to walk off with such a female . Aggressive feelings are lessened by a display called " facing away , " in ...
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19th century adult America anemia antibodies antigens 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 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 molt monks nest normal North oilbird 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