Arid
DOI10.1186/s40462-021-00257-7
The use of nocturnal flights for barrier crossing in a diurnally migrating songbird
Lavallee, Christie D.; Assadi, Saeedeh Bani; Korpach, Alicia M.; Ray, James D.; Fischer, Jason D.; Siegrist, Joe; Fraser, Kevin C.
通讯作者Fraser, KC (corresponding author), Univ Manitoba, Dept Biol Sci, Winnipeg, MB, Canada.
来源期刊MOVEMENT ECOLOGY
ISSN2051-3933
出版年2021
卷号9期号:1
英文摘要Background The migration patterns of land birds can generally be divided into those species that migrate principally during the day and those that migrate during the night. Some species may show individual plasticity in the use of day or night flight, particularly when crossing large, open-water or desert barriers. However, individual plasticity in circadian patterns of migratory flights in diurnally migrating songbirds has never been investigated. Methods We used high precision GPS tracking of a diurnal, migratory swallow, the purple martin (Progne subis), to determine whether individuals were flexible in their spring migration strategies to include some night flight, particularly at barrier crossing. Results Most (91%) of individuals made large (sometimes > 1000 km), open-water crossings of the Caribbean Sea and the Gulf of Mexico that included the use of night flight. 32% of all water crossings were initiated at night, demonstrating that night flight is not only used to complete large crossings but may confer other advantages for diurnal birds. Birds were not more likely to initiate crossings with supportive winds, however crossings were more likely when they reduced travel distances. Our results are consistent with diurnal birds using night flight to help achieve time- and energy-savings through 'short cuts' at barrier crossings, at times and locations when foraging opportunities are not available. Conclusions Overall, our results demonstrate the use of nocturnal flight and a high degree of individual plasticity in migration strategies on a circadian scale in a species generally considered to be a diurnal migrant. Nocturnal flights at barrier crossing may provide time and energy savings where foraging opportunities are low in an otherwise diurnal strategy. Future research should target how diel foraging and refueling strategies support nocturnal flights and barrier crossing in this and other diurnal species.
英文关键词Circadian timing Aerial insectivores GPS tracking Individual plasticity Ecological barrier Fly-and-forage migration Diurnal migrant
类型Article
语种英语
开放获取类型gold, Green Published, Green Submitted
收录类别SCI-E
WOS记录号WOS:000644649700001
WOS关键词FALL MIGRATION ; TRACKING ; STRATEGY ; NIGHT
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/351174
作者单位[Lavallee, Christie D.; Assadi, Saeedeh Bani; Korpach, Alicia M.; Fraser, Kevin C.] Univ Manitoba, Dept Biol Sci, Winnipeg, MB, Canada; [Ray, James D.] Consolidated Nucl Secur LLC, Amarillo, TX 79120 USA; [Fischer, Jason D.] Disneys Anim Sci & Environm, Lake Buena Vista, FL 32830 USA; [Siegrist, Joe] Purple Martin Conservat Assoc, Erie, PA USA
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GB/T 7714
Lavallee, Christie D.,Assadi, Saeedeh Bani,Korpach, Alicia M.,et al. The use of nocturnal flights for barrier crossing in a diurnally migrating songbird[J],2021,9(1).
APA Lavallee, Christie D..,Assadi, Saeedeh Bani.,Korpach, Alicia M..,Ray, James D..,Fischer, Jason D..,...&Fraser, Kevin C..(2021).The use of nocturnal flights for barrier crossing in a diurnally migrating songbird.MOVEMENT ECOLOGY,9(1).
MLA Lavallee, Christie D.,et al."The use of nocturnal flights for barrier crossing in a diurnally migrating songbird".MOVEMENT ECOLOGY 9.1(2021).
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