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Drivers of clutch-size in Fork-tailed Flycatchers (Tyrannus savana) at temperate and tropical latitudes in South America
(Csiro Publishing, 2014-09)
Many species of birds exhibit a latitudinal gradient in annual reproductive investment, laying more eggs and producing more nestlings at higher latitudes. However, few studies have evaluated the mechanisms that underlie ...
Sonations in Migratory and Non-migratory Fork-tailed Flycatchers (Tyrannus savana)
(Oxford Univ Press Inc, 2020-11-01)
Sonations are sounds that animals produce with structures other than the vocal apparatus for communication. In birds, many sonations are usually produced with modified flight feathers through diverse kinematic mechanisms. ...
Morfologia comparada da asa da Tesourinha (Tyrannus Savana) na América do Sul
(Universidade Estadual Paulista (Unesp), 2015)
Foi feita uma análise sobre a diferença entre a morfologia da asa de duas subespécies diferentes da ave tesourinha (Tyrannus savana), uma das aves mais comuns da América do Sul: o T. s. monachus e o T. s. savana, provenientes ...
Do Fork-tailed Flycatchers (Tyrannus s. savana) stop to molt during fall migration?
(Soc Brasileira Ornitologia, 2018-06-01)
Fork-tailed Flycatchers (Tyrannus s. savana) breed from central to southern South America, then migrate to northern South America, where they undergo a winter molt. However, exactly when this winter molt begins is not ...
Intra-tropical migration and wintering areas of Fork-tailed Flycatchers (Tyrannus savana) breeding in Sao Paulo, Brazil
(Soc Brasileira Ornitologia, 2016-06-01)
Fork-tailed Flycatchers (Tyrannus s. savana) breed from central to southern South America from September to January, migrating to northern South America to spend the non-breeding season. However, little is known of the ...
Intra-tropical migration and wintering areas of Fork-tailed Flycatchers (Tyrannus savana) breeding in São Paulo, Brazil
(2016-06-01)
Fork-tailed Flycatchers (Tyrannus s. savana) breed from central to southern South America from September to January, migrating to northern South America to spend the non-breeding season. However, little is known of the ...
Do Fork-tailed Flycatchers (Tyrannus s. savana) stop to molt during fall migration?
(2018-06-01)
Fork-tailed Flycatchers (Tyrannus s. savana) breed from central to southern South America, then migrate to northern South America, where they undergo a winter molt. However, exactly when this winter molt begins is not ...
Drivers of clutch-size in Fork-tailed Flycatchers (Tyrannus savana) at temperate and tropical latitudes in South America
(Csiro Publishing, 2014-01-01)
Many species of birds exhibit a latitudinal gradient in annual reproductive investment, laying more eggs and producing more nestlings at higher latitudes. However, few studies have evaluated the mechanisms that underlie ...