Arid
DOI10.1071/MU15078
Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina
Cueto, Victor R.1,2,3,4; Cecilia Sagario, M.1,2; Lopez de Casenave, Javier1,2
通讯作者Cueto, Victor R.
来源期刊EMU
ISSN0158-4197
EISSN1448-5540
出版年2016
卷号116期号:3页码:301-304
英文摘要

Very few bird species are able to complete a single long migratory flight. Instead, a far more common strategy is that birds rest and feed almost every day, accomplishing their journeys in a series of short flights. We evaluated if White-crested Elaenia (Elaenia albiceps chilensis) displays evidence of en route migratory disposition in the central Monte desert, Argentina. Recaptures and resights were lower for White-crested Elaenias than for Greater Wagtail-tyrants (Stigmatura budytoides; resident) and Southern Scrub-flycatchers (Sublegatus modestus; spring-summer visitor). The latter species showed site fidelity between years, but White-crested Elaenia did not. Percentage of individuals with cloacal protuberance was similar among the species, but individuals with brood patches were recorded only in Greater Wagtail-tyrants and Southern Scrub-flycatchers. White-crested Elaenias showed low, medium and high fat stores, while the other species presented no fat or low fat stores. White-crested Elaenia had a high level of fruit consumption, while the other species consumed fruits occasionally or not at all. Our results support the hypothesis that the White-crested Elaenia uses the Monte desert as a stop-over area during its spring flight, and yield novel insights to fill a gap in our knowledge about the annual cycle of migrant birds in the Neotropics.


类型Article
语种英语
国家Argentina
收录类别SCI-E
WOS记录号WOS:000381431100009
WOS关键词SOUTH-AMERICA ; BIRDS
WOS类目Ornithology
WOS研究方向Zoology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192540
作者单位1.Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Ecol Genet & Evoluc, Desert Community Ecol Res Team ECODES, Piso 4,Pabellon 2,Ciudad Univ,C1428EHA, Buenos Aires, DF, Argentina;
2.IEGEBA UBA CONICET, Piso 4,Pabellon 2,Ciudad Univ,C1428EHA, Buenos Aires, DF, Argentina;
3.Univ Nacl Patagonia SJB, CONICET, Ctr Invest Esquel Montana & Estepa Patagon CIEMEP, Sarmiento 849,U9200 Esquel, Chubut, Argentina;
4.Univ Nacl Patagonia SJB, Fac Ciencias Nat, Sarmiento 849,U9200 Esquel, Chubut, Argentina
推荐引用方式
GB/T 7714
Cueto, Victor R.,Cecilia Sagario, M.,Lopez de Casenave, Javier. Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina[J],2016,116(3):301-304.
APA Cueto, Victor R.,Cecilia Sagario, M.,&Lopez de Casenave, Javier.(2016).Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina.EMU,116(3),301-304.
MLA Cueto, Victor R.,et al."Do migrating White-crested Elaenia, Elaenia albiceps chilensis, use stop-over sites en route to their breeding areas? Evidence from the central Monte desert, Argentina".EMU 116.3(2016):301-304.
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