Titlebook: Shorebirds; Breeding Behavior an Joanna Burger,Bori L. Olla Book 1984 Springer Science+Business Media New York 1984 animals.behavior.breedi

讨论小组

书目名称Shorebirds影响因子(影响力)




书目名称Shorebirds影响因子(影响力)学科排名




书目名称Shorebirds网络公开度




书目名称Shorebirds网络公开度学科排名




书目名称Shorebirds被引频次




书目名称Shorebirds被引频次学科排名




书目名称Shorebirds年度引用




书目名称Shorebirds年度引用学科排名




书目名称Shorebirds读者反馈




书目名称Shorebirds读者反馈学科排名

indicate

Bumble

Population Dynamics of Shorebirds,articular, midwinter counts over the whole of western Europe have given good indications of the year-to-year changes in the populations of several sandpiper (Scolopacidae) species breeding in discrete Arctic areas such as western Siberia or Greenland. These counts indicate fluctuations within ± 50%

jungle

漂亮

The Evolution of Polyandry in Shorebirds,selection predicts competition among males, greater female than male parental investment, and more sexual promiscuity on the part of males than females (Darwin, 1871; Fisher, 1930; Orians, 1969; Trivers, 1972; Emlen and Oring, 1977). Polyandrous mating systems, particularly in extreme cases such as

南极

Communication in Breeding Shorebirds,ial diversity. There are more than 200 extant species, which occur in all zoogeographic regions of the world. Some species are resident and sedentary year-round, like the Shore Plover ., which exists in small numbers only on the Chatham Islands east of New Zealand; others undertake phenomenal migrat

联合

不成比例

充满装饰

太空

The Evolution of Polyandry in Shorebirds,the Northern Jacana (.) (Jenni and Collier, 1972), seem to violate each of these predictions. Females are larger and more aggressive than males, parental care is performed only by males, and females copulate with several males whereas each male copulates with only one female.