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Photos

The star of the show: the cliff swallow

Cliff swallows historically built their mud nests on the sides of cliffs

Netting cliff swallows for banding in a culvert underneath a railroad

Blood-feeding swallow bugs, the cliff swallow's equivalent of bed bugs

Color-painting a bird so we can recognize it at a distance

Accessing cliff swallow nests on a river bridge

Cliff swallows on an ancestral cliff colony site

Fumigating nests to remove swallow bugs to study the bugs' effects

Cliff swallow babies of the same age, with bug parasites (left) and without

Taking a blood sample

Wide open spaces of the western Nebraska study area

Cliff swallows are one of the most social birds in North America

Parent feeding its offspring after leaving the nest
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