After falling on a city center street on their first attempts, four peregrine chicks successfully fledged.
Several people occasionally visited Cambridge's city center at 5:00 BST in hopes of seeing the birds leave the nest, according to Saimon Clark, who has documented the birds.
When a young bird's feathers have fully developed, it is said to be fledging.
After their initial struggles to maintain flight, Mr. Clark said there have been people "on hand to help" put them back in their nest.
He claimed that this pair of adult peregrines arrived in Cambridge for the first time in 2014 and raised a chick in 2015.
Due to the birds' protected status as a species, he claimed he did not want to reveal their exact nesting location.
Over the past month, Saimon Clark has been updating his Twitter followers with news and images of the Cambridge peregrine chicks.
In order to "document what's going on and share the news," he told BBC Radio Cambridgeshire that he had been visiting the birds.
At around 17:00 on Monday, the last chick fledged from its rooftop, where it "fell on to the street and many people went running after it to save it," according to him.
According to Mr. Clarke, if they do it correctly, they are fine, but due to the wind's direction and the nest's height, they frequently fall from the nest and land on the ground.
They don't hurt themselves, but they're okay as long as someone can save them. ".
However, "normally after the second flight from the top of the roof, they're fine," he said, adding that fledging could be an indignified process.
