The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 1997 |
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Page 24
... display ; the cormorants and anhingas have a comparable " Kink - throat " display ; simi- larly , the frigate birds use a " Rattling " display . In tropic birds , which do not normally have nest sites in the open , courtship display is ...
... display ; the cormorants and anhingas have a comparable " Kink - throat " display ; simi- larly , the frigate birds use a " Rattling " display . In tropic birds , which do not normally have nest sites in the open , courtship display is ...
Page 30
A - K. Display behaviour Pair- forming displays The pair - forming displays are well developed and char- Drawing by D. Malick based on Paul A. Johnsgard , Handbook of Waterfowl Behaviour , Copyright © 1965 by Cornell University . Used ...
A - K. Display behaviour Pair- forming displays The pair - forming displays are well developed and char- Drawing by D. Malick based on Paul A. Johnsgard , Handbook of Waterfowl Behaviour , Copyright © 1965 by Cornell University . Used ...
Page 51
... display their colourful frontal shields and fan their tails to show off the white under tail coverts . Other species circle their partners in various postures . The display often ends with the male chasing the female , and the chase may ...
... display their colourful frontal shields and fan their tails to show off the white under tail coverts . Other species circle their partners in various postures . The display often ends with the male chasing the female , and the chase may ...
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