The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 1997 |
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Page 41
... adult life . The breeding adult life is char- acterized by mating , nesting , and the rearing of young . Most adults pair . The duration of this phase has been rarely recorded for wild individuals , but a peregrine falcon ( Falco ...
... adult life . The breeding adult life is char- acterized by mating , nesting , and the rearing of young . Most adults pair . The duration of this phase has been rarely recorded for wild individuals , but a peregrine falcon ( Falco ...
Page 76
... adult . At this age , about two- thirds of the way to fledging , the young owls may leave the nest and spend the day several metres from it . In the screech owl , the juvenal plumage has fine barring , unlike the streaking of the adult ...
... adult . At this age , about two- thirds of the way to fledging , the young owls may leave the nest and spend the day several metres from it . In the screech owl , the juvenal plumage has fine barring , unlike the streaking of the adult ...
Page 84
... Adult males are in full breeding condition in late January and again in May and June ; eggs are laid in January and February and again in June to September . The molt cycle , however , appears to be independent of the breeding cycle ...
... Adult males are in full breeding condition in late January and again in May and June ; eggs are laid in January and February and again in June to September . The molt cycle , however , appears to be independent of the breeding cycle ...
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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