Barn swallows forage opportunistically and will follow tractors and plows in order to catch the insects that are disturbed by the machinery.
Barn swallows forage opportunistically. They have been observed following tractors and plows in order to catch the insects that are disturbed by the machinery.
A study in West Virginia found that barn swallows foraged within 1.2 kilometers of their nests. In Europe, barn swallows foraged within 500 meters of their nest.
• Image | © Capri23auto, Some Rights Reserved, Pixabay
• Sources | (Brown & Brown, 1999; Perrins, 1989; Roth, 2002; Terres, 1991)