Breeding latitude drives individual schedules in a trans-hemispheric migrant bird

被引:132
作者
Conklin, Jesse R. [1 ]
Battley, Phil F. [1 ]
Potter, Murray A. [1 ]
Fox, James W. [2 ]
机构
[1] Massey Univ, Ecol Grp, Inst Nat Resources, Palmerston North 4442, New Zealand
[2] British Antarctic Survey, Nat Environm Res Council, Cambridge CB3 0ET, England
来源
NATURE COMMUNICATIONS | 2010年 / 1卷
关键词
BAR-TAILED GODWITS; RUSSIAN BARNACLE GEESE; LONG-DISTANCE MIGRANT; MIGRATORY BIRDS; CALIDRIS-CANUTUS; CLIMATE-CHANGE; PACIFIC-OCEAN; NEW-ZEALAND; RED-KNOTS; SIGNALS;
D O I
10.1038/ncomms1072
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Despite clear benefits of optimal arrival time on breeding grounds, migration schedules may vary with an individual bird's innate quality, non-breeding habitat or breeding destination. Here, we show that for the bar-tailed godwit (Limosa lapponica baueri), a shorebird that makes the longest known non-stop migratory flights of any bird, timing of migration for individual birds from a non-breeding site in New Zealand was strongly correlated with their specific breeding latitudes in Alaska, USA, a 16,000-18,000 km journey away. Furthermore, this variation carried over even to the southbound return migration, 6 months later, with birds returning to New Zealand in approximately the same order in which they departed. These tightly scheduled movements on a global scale suggest endogenously controlled routines, with breeding site as the primary driver of temporal variation throughout the annual cycle.
引用
收藏
页数:6
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