Author Archives: avesinternacionales

Maggie MacPherson’s poster at SICB 2017

Maggie MacPherson presented a poster on the evolution of migrationof Tyrannus flycatchers at this year’s Meeting of the Society of Integrative and Comparative Biology, January 4-8, 2017, New Orleans, Louisiana, USA:  macpherson-sicb-2017 Advertisements

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Diego Tuero’s poster at ISBE2016

Our colleague from the Universidad de Buenos Aires, Diego Tuero, presented the following poster on sexual selection in Fork-tailed Flycatchers (Tyrannus savana) at the 16th Congress of the International Society for Behavioral Ecology (

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Poster presentations at NAOC2016

From 17 to 20 August 2016, several of us participated in the sixth North American Ornithological Conference (, held in Washington DC. Three of the posters we presented on various aspects of Fork-tailed Flycatcher ecology are shown below. The first … Continue reading

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What is the relationship between climate and flycatcher migration?

How climate affects the timing of bird migration is a key question in the study of migratory bird ecology. One of our colleagues, Maggie MacPherson, a PhD candidate at Tulane University, is modeling how Tyrannus flycatchers track rainfall vs. temperature across the Western Hemisphere. See her … Continue reading

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Vichada, Colombia 2016

Over the last several weeks, migratory Fork-tailed Flycatchers (Tyrannus s. savana) have been migrating from their breeding grounds in southern and central South America to northern South America, where they will spend the austral winter. In search of these migrants, José Ignacio … Continue reading

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Flycatcher migration in Tucumán

Last week, one of our collaborators, Emanuel Pérez Bogado, a graduate student in Patricia Capllonch’s lab at the Universidad Nacional de Tucumán, Argentina, saw flocks migrating Fork-tailed Flycatchers in northern Argentina (Tucumán Province). One flock was of about 50 birds, … Continue reading

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Mato Grosso do Sul 2016

Light-level geolocator data from Fork-tailed Flycatchers (Tyrannus s. savana) breeding in central Brazil indicate that some flycatchers spend a month (late January to mid-February) in southwestern Brazil, before migrating to northern South America to overwinter (unpub. data). So, from 6-12 February, … Continue reading

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