Population dynamics of tree swallows
In 1975, Dr. Raleigh Robertson put up 75
artificial nest boxes at the Queen's University Biological Station,
starting what has become a long-term study of the behavioural ecology
and demography of tree swallows. Our recent focus with the tree swallow study was aimed at understanding causes of the dramatic
decline of this population, which has been ongoing for the past 3
decades. Tree swallows are members of the aerial insectivore foraging
guild - a diverse group of birds that is undergoing declines across
much of the globe, including marked declines in northeastern North
America. In work led by MSc student Amelia Cox, we used the incredible 40+ year data set on the
QUBS tree swallows to better understand drivers of these declines. Check out her recent publications to see what we found.
We are no longer running the long-term tree swallow project - we have passed it along to Dr. Steve Lougheed, director of QUBS.