The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 1997 |
From inside the book
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Page 13
... eggs , with Eggs large clutches up to 16. In exceptionally good seasons as many as 20 eggs may be laid , in poor seasons as few as four or five . Incubation varies from about 58 to 61 days , during which the male seldom leaves the nest ...
... eggs , with Eggs large clutches up to 16. In exceptionally good seasons as many as 20 eggs may be laid , in poor seasons as few as four or five . Incubation varies from about 58 to 61 days , during which the male seldom leaves the nest ...
Page 67
... eggs are particularly attractive to predators so that , presumably to reduce these risks , some of the ground- nesting pigeons ( e.g. , Old and New World quail doves ) lay brown or cream - coloured eggs . In many pigeons , once the eggs ...
... eggs are particularly attractive to predators so that , presumably to reduce these risks , some of the ground- nesting pigeons ( e.g. , Old and New World quail doves ) lay brown or cream - coloured eggs . In many pigeons , once the eggs ...
Page 74
... egg in each host nest and so must find a new nest for each of her 15 to 20 eggs . When parasitizing a species that builds a domed or globular nest , the female cuckoo clings to the outside of the nest and lays her egg through the ...
... egg in each host nest and so must find a new nest for each of her 15 to 20 eggs . When parasitizing a species that builds a domed or globular nest , the female cuckoo clings to the outside of the nest and lays her egg through the ...
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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