The New Encyclopaedia Britannica: Macropaedia : Knowledge in depth |
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Page 91
Artificial nest boxes Guiding by honey guides Feeding behaviour of wood- peckers Difficulties in the study of hole- nesting birds Social nesting. roosting holes by woodpeckers and barbets provides homes for countless birds of other ...
Artificial nest boxes Guiding by honey guides Feeding behaviour of wood- peckers Difficulties in the study of hole- nesting birds Social nesting. roosting holes by woodpeckers and barbets provides homes for countless birds of other ...
Page 93
... woodpecker . Also , the size and abundance of dead or dying trees influence the abundance and types of woodpeckers that can occupy an area . From two to nine white eggs are laid on the bare floor of the woodpecker's nest cavity . Most ...
... woodpecker . Also , the size and abundance of dead or dying trees influence the abundance and types of woodpeckers that can occupy an area . From two to nine white eggs are laid on the bare floor of the woodpecker's nest cavity . Most ...
Page 112
... woodpeckers , covering three common European species ( fairly technical ) . HEINZ SIEL- MANN , My Year with the Woodpeckers , trans . from German ( 1959 ) , is a readable , accurate account of the habits of European woodpeckers . LOUISE ...
... woodpeckers , covering three common European species ( fairly technical ) . HEINZ SIEL- MANN , My Year with the Woodpeckers , trans . from German ( 1959 ) , is a readable , accurate account of the habits of European woodpeckers . LOUISE ...
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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