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Swallows Under Our Bridges

By Dan Weisz All images by Dan Weisz A nearby bridge is the home to a number of nests of Cliff Swallows. They winter in South America but summer throughout most of the United States and are returning to Southeast Arizona right now. They build gourd-shaped nests out of mud on the undersides of bridges and overhangs. Last year, the Cliff Swallows at this bridge were busy catching insects for young in the nests. When they caught a number of insects, they would return to the nests to feed the young inside. The color patterns on Cliff Swallows are interesting. Birdnote tells us how Cliff Swallows build their substantial nests. How many little pieces of mud were used to construct this nest? At this point, with young in the nest, the adults will enter the nest with food, spend about a minute in the nest, and then emerge to begin hunting once again. Both parents assist in hunting for food. This is what it sounded like under the bridge as a group of Cliff Swallows approached the nests. Somet

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