On a Cambridge street, you can frequently see a group of devoted photographers with their cameras trained on the tall college roofs all around them. Their attention is on a young peregrine falcon family.
The world of peregrine falcons is in fledging season.
On the Cambridge rooftops, four chicks have hatched to two loving parents for the first time in years.
They are unaware of the admirers below, who watch every unique domestic activity, such as housework and grooming, as well as mealtimes and bathtimes.
Then why do they do it?
Jamie Clarkson has been showing up every day at 5:00 BST at a prime viewing location in Trumpington Street with a Canon DSLR and an extremely long lens for the past month.
The 24-year-old Edinburgh native divides his time between studying structural engineering for his PHD at Trinity Hall in Cambridge and wildlife photography.
He captures barn owls in wintertime photography. It's all about the peregrine falcons in the spring and summer.
Mornings are ideal because they are most active then, it's calm and quiet so you can concentrate on your photography, and the light is lovely and soft, according to him.
It can be difficult to capture the action while they are moving because they are moving so quickly, but it is also addictive. ".
"I started with a bridge camera but I wanted to get that next level of image quality and get shots in flight with something that could deal with a higher shutter speed and focus a little bit faster. .
"The key is to observe how behavior changes as the seasons change. When they started spending a little more time at the nest and mating, in January and February, we were here.
"Then they start bringing food into the nest, which indicates that they are laying eggs because you can see the parents switching off incubation duties. ".
The peregrine falcon watch, according to Darren Benson, is a far cry from his previous job as a tabloid photographer.
The 54-year-old, who made the 30-year move from East London to Cambridge, claimed he was "hooked" after taking his first photos of the birds in 2015.
He explains, "I was taking pictures of The Backs [where colleges back onto The River Cam] for a magazine when a friend who owned a camera shop mentioned there was a falcon on top of the church.
And that was it. PTSD affects me. I've covered major national events, such as the Tottenham riots, but when it came time to take pictures of the falcons, it completely relaxed me.
"Your heart starts to race when you see a falcon flying into the nest while holding a bird to feed its young.
"I want a story; I want to understand the bird's emotions. From day to day, you never know what will occur. ".
Mr. Benson uses a Canon D90 with a big 500 lens and spends a lot of time giving workshops on mental health.
According to him, the bird's foot has scales, and you can tell how much battles it has endured over the years by the lines on her face and the detail on her beak.
According to Saimon Clark, who updates a Twitter page with the family's progress, "Some cities have nest boxes, but the peregrines here chose this nest site themselves.". .
To keep an eye on them, he makes several daily walks from his position at the language center of the University of Cambridge.
He explains, "I do it because I want to record what they are doing, and I'm interested in their behavior and what they do throughout the year.
"I'll gather feathers and make an inventory of everything they've eaten. It's mainly starlings, pigeons, and the occasional jackdaw or blackbird at this time of year. " .
He asserts that he has compiled a list of more than 20 different birds that they consume.
Because Cambridge is so compact, he continues, "I can walk between the various locations, see where they are, and just take notes of it.
The URC [United Reformed Church], the King's College spires, St. John's Chapel, the university library, and St. Botolph's - the tall points in the sky - are where the adults hang out all year round. ".
Since they started keeping track of the falcons in 2015, he claims that four is the most chicks they've ever had.
Despite an increase in population over the past few decades, he notes that peregrines are still relatively uncommon.
"It concerns their welfare and ensuring that someone is on hand to watch out for them. ".
In order to get to this location, retired lawyer Andrew Bryce has been walking for the past four years.
As a result of post-war pesticide use, peregrine falcons were extremely rare when the 75-year-old was younger, so seeing one was a significant event.
"At this point, they are in every cathedral city.
"As a birder, I enjoy observing the behavior because it is unpredictable. However, the birds are the main focus, increasing their chances of surviving.
We communicate to make sure someone is present to watch out for them. "We try to be here the majority of the time during the breeding season.
It's nice to educate people while we're doing it because a lot of people stop by.
"With all the people and traffic, the environment is very dangerous. A roadside object literally dropped in the middle of the road during one of our local bank holidays.
"When that occurs, it's like a carnival; we had to stop the traffic. ".
"This pair is an amazing parent, and they are very charismatic birds and very effective killers.
"Peregrines play a significant aesthetic role. It's really impressive to witness them flying at such a high rate of speed. ".
Paul Halliwell, a falconer, claims that his relationship with these birds has been a genuine obsession for thirty to forty years.
"The birds bring so much joy to so many people. The town as a whole benefits, as do people, birds, and people. " .
As the young chicks explore Cambridge's tall buildings in search of their wings, Mr. Halliwell uses his camera as binoculars to keep an eye on them.
I'm here to make sure the birds are okay, but I also benefit greatly from it, he claims.
"These birds were genuinely rare when I was a child. I'd have to go to Cornwall or Scotland to see them.
"It's speed, looks, glitz, and they're very mysterious. Since they are wild animals, they exude a sense of remoteness and aloofness that I don't believe you can find in any other animal.
"With the internet generation, there is so much more awareness, but there is a disconnect. It's fine to watch something on TV, in a classroom, or on a cellphone, but to stand in the street and see something happening in front of you from 25 meters away is a human experience," said the author.
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