Contents
The 2017 influx of Dickcissels in Ontario
P. Allen Woodliffe
Female Brown-headed Cowbird observed investigating Black-capped Chickadee nest cavity
Warren I. Dunlop, Janet M. Kelly, Glenn C. Stronks, Joanne Stronks, Kelly Stronks, and T. Richard Stronks
Using next-generation sequencing of DNA to determine nestling diet of two double-brooded avian insectivores
Al Sandilands and Derek Morningstar
The rotation display of Mute Swans and related territorial behaviour
H. G. Lumsden, D. McLachlin, and V. G. Thomas
Observations and interspecific pairing of a Violet-green Swallow and Tree Swallow in northwestern Ontario
Ted (E.R.) Armstrong and Christine Johnston