In late December 2023 we went to Argentina to observe cliff swallows on the wintering grounds for the first time. We targeted Iberá...

The 2024 research field season kicked off early, with our arrival in Nebraska in April to study the movement behavior of cliff swallows...

Since our last update, we completed our 41st and 42nd field seasons in summers 2022 and 2023.  During these seasons, Olivia Pletcher...

We completed our 40th field season in summer 2021.  It was a difficult year in some ways, with the deaths of both Paul Johnsgard and...

We completed our 39th field season on 8 August 2020 despite limitations on personnel due to pandemic restrictions this summer.  Our work...

The project's latest paper to appear, in Biology Letters, reports that cliff swallows that die during severe weather and that live in...

The project lost one of its founders on 24 August 2019, when Mary Bomberger Brown died in Lincoln, Nebraska, after a long illness. Mary...

Two publications appeared dealing with natural selection in cliff swallows during severe climatic events.  One, in Ecosphere, documented...

The 2018 field season was an outstanding success, with progress made on four major research themes that included (1) continued collection...

A paper in the Journal of Evolutionary Biology was published, reporting analyses of survival in primarily nestling birds from the 1980's,...

A paper in Animal Behaviour was published, reporting the results of a large-scale analysis of breeding-site fidelity in cliff swallows....

The 2017 field season ended successfully on 22 July. In contrast to last summer, cliff swallow reproductive success across the study area...

A nice feature on the cliff swallow project, by Conor Gearin, appeared in issue 4 of The New Territory magazine. Conor's article focused...

The summer 2016 nesting season in Nebraska was marked by extensive nest failures at colonies throughout the study area. We are unsure of...

The swallow project had a high-profile publication appear in the Proceedings of the National Academy of Sciences. This paper reported the...