American Goldfinch

American goldfinch bird birds avian nature natural world macro macro photography Spinus tristis Toronto Ontario Canada North America animals close-up wildlife landscape format color photo colour photo photography no people animal bird watching thistle plant finch male American goldfinch Spinus tristis thistle plant Toronto Ontario Canada August 2025 thistle seeds nest lining thistle birds downy material insulation primary food source nestlings bird behavior Creative Touch Imaging Ltd. NurPhoto bird nickname mature thistles bird nutrition seed consumption nest construction bird habitat bird diet environmental adaptation plant utilization bird species avian ecology natural insulation seed diet bird nesting plant material avian feeding habits.