Barn swallow parents work together to build an open cup nest of mud and grass up under an overhang or on a ledge or shelf under porches, in barns and under bridges. They line nests with grass stems and feathers. Swallows will also nest in nest boxes put out in open fields.
Both parents incubate the eggs to keep them warm.
Once the chicks hatch, the parents take turns bringing them insects to eat. When a parent approaches the nest, the chicks raise their heads, open their mouths and peep loudly. Parents stuff insects into the chicks’ open mouths. When they’ve had enough to eat, the chicks settle down to rest.
At night, when it’s colder, the parents sit on the nest to keep the chicks warm.
They stay with their chicks until they can fly and catch insects on their own.
Using scientific reasoning, list how the behaviors of swallows affects the success of chick survival?
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Amsel, Sheri. "Animal Behaviors that Affect the Probability of Successful Reproduction in Barn Swallows (NGSS 6-8 Grade)" Exploring Nature Educational Resource ©2005-2021. June 22, 2021
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