Smithsonian magazine's 22nd Annual Photo Contest | Made possible through the support of MPB.com

9th Annual Smithsonian Magazine Photo Contest Natural World
This baby Tree Swallow was nesting in a cavity of a dead tree on the edges of a field of Yellowstone geysers and mudholes. Minutes later a parent was feeding the chick.

This baby Tree Swallow was nesting in a cavity of a dead tree on the edges of a field of Yellowstone geysers and mudholes. Minutes later a parent was feeding the chick.

Photo Detail
Date Taken: 08.2010
Date Uploaded: 05.2011
Photo Location: Wyoming, United States of America
Camera: DSC-H50
Copyright: © Bob Cline