Cave Swallows of Comal County
Click here for the 2003
colony sites and nest numbers.
Click here for pictures
illustrating the various nest construction styles.
The degree of light dictated whether the nest was situated up close to
a ceiling and whether it had a single or double lip structure.
Cliff and Cave Swallows commonly shared colony sites where the site was
high enough for Cliff Swallows, and still low enough for Cave
Swallows. One Cliff Swallow pair even nested in a culvert with
only Cave Swallows for neighbors.