- Over the years I have seen a few interesting aggressive actions by swallows in Alaska.
- This video illustrates three of them.
- The first one concerns Tree Swallows -- at a nest four swallows were entering the nest and interacting with each other.
- What was happening might be explained by http://www.jstor.org/stable/1368876?seq=1#page_scan_tab_contents
Aggressive Swallows
https://vimeo.com/131161558