The New Encyclopaedia Britannica: Macropaedia : Knowledge in depth |
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Page 42
... perch to perch , or migrate . Adaptations for swift or slow flight , mainly associated with habitat or type of prey , are varied . All species can use flapping flight , but it is laboured in heavy species ( vultures , condors ) . Most ...
... perch to perch , or migrate . Adaptations for swift or slow flight , mainly associated with habitat or type of prey , are varied . All species can use flapping flight , but it is laboured in heavy species ( vultures , condors ) . Most ...
Page 77
... perch in veg- etation . The typical perch of other owls is a horizontal branch in a tree . The bay owl habitually perches on the vertical trunk of a tree , with the legs reaching sideways , one foot above the other . The body is held in ...
... perch in veg- etation . The typical perch of other owls is a horizontal branch in a tree . The bay owl habitually perches on the vertical trunk of a tree , with the legs reaching sideways , one foot above the other . The body is held in ...
Page 79
... perches horizontally on ledges inside caves , usually on its nest . Ledges are limited and mostly occupied by nests . On its forays outside it has been observed to perch on the bare parts of tree branches . Its mien is rather hawklike ...
... perches horizontally on ledges inside caves , usually on its nest . Ledges are limited and mostly occupied by nests . On its forays outside it has been observed to perch on the bare parts of tree branches . Its mien is rather hawklike ...
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20th century adult Africa anemia Anseriformes antibodies antigens areas Asia behaviour bill birds blood group bodhisattva body Bolivia bone boxing Brazil Brazilian breeding broadcasting bryophytes Buddha Buddhist building called Caprimulgiformes centimetres central centre China clotting colonial colour countries cuckoos cultural developed disease display early eggs electrons Eocene falconiforms Family feathers feeding feet female flight forest fossil frequency genera genus gruiform hemoglobin important incubation Indian insects islands known legs Mahāyāna major male marrow metres molt monks nest normal North America owls pair Pāli parrots passerines patterns pelecaniforms penguins percent perch period Piciformes pigeons plasma platelets plumage political population produced programs protein radio red cells region river São Paulo sexes short signal South species sporangium structure Suborder tail television Theravada tion tissue toes tradition trees tropical tube usually Vajrayāna wings woodpeckers World young