Nesting Cliff Swallows photographed under the Continental Avenue Bridge in Dallas, Texas.

Cliff Swallows construct their nest from small clumps of mud that the adults use to create a gourd-shaped structure one piece at a time.

It appears that these pictures record adult males bringing food back to the nest for incubating females. Juvenile swallows are not evident in these photographs.

Cliff Swallow - Manmade Cliffs

Cliff Swallow - Manmade Cliffs

Cliff Swallow - Manmade Cliffs

Cliff Swallow - Manmade Cliffs

Cliff Swallow - Manmade Cliffs

Cliff Swallow - Manmade Cliffs

Cliff Swallow - Manmade Cliffs

Cliff Swallow - Manmade Cliffs

Cliff Swallow - Manmade Cliffs

Cliff Swallow - Manmade Cliffs

Cliff Swallow - Manmade Cliffs

Observation Details

County Dallas
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City Dallas
Date Apr 13, 2012
Time of Day Morning
Temperature Warm (70-89°F/21-32°C)
Weather Clear
Habitat Thoroughfare-Primary Road
Type of Behavior Nesting
Gender Mixed
Maturity Adult
Observer David Mimlitch
Main Article Cliff Swallow Observation Location