The Center for Conservation Biology (CCB) has been monitoring Virginia’s peregrine population every year since the late 1970s. Because they track individual adults, they know who breeds where and when they go missing. This year the news was disturbing. Peregrine adult turnover statewide more than doubled in one year to a new rate of 40%. Forty percent of the adults disappeared (died) and were replaced by a new bird.
The only good news is that the high rate is skewed by the incredibly high turnover of 63.2% on the Eastern Shore while the rest of the state was 12.5%. The bad news is that the Eastern Shore has the highest concentration of breeding peregrines in Virginia.
Adult peregrine at Monaca-East Rochester Bridge, 8 July 2024 (photo by Jeff Cieslak)
9 July 2024
July is usually a boring month for peregrines in Pittsburgh. It’s hot. Nest duties are over. The adults are molting. But this week there are two bits of news.
Monaca-East Rochester Bridge:
On Monday morning, 8 July, Jeff Cieslak checked for peregrines along the Ohio River and stopped by the Monaca-East Rochester Bridge. He usually looks on the Monaca (south) side but yesterday he checked East Rochester (north) as well. There he found two fledglings and one adult, pictured here.
Juvie peregrine flying in, shouting, at the Monaca-East Rochester Bridge, 8 July 2024 (photo by Jeff Cieslak)Juvie peregrine landing at the Monaca-East Rochester Bridge, 8 July 2024 (photo by Jeff Cieslak)
The Monaca fledglings appear to be about 4-5 weeks younger than those at Pitt, putting their hatch date in late May and egg laying in mid-to-late April. Such a late nest makes me wonder if the first nest failed or if there was upheaval at this site with a change of partners that took until April to settle down. We’ll never know.
Cathedral of Learning: What was she looking at?
Carla on camera, 7 July 2024, 5:58pm (photo from the National Aviary snapshot camera at Univ of Pittsburgh)
On Sunday 7 July Carla visited the nest from 5:08p to 7:36pm. In that 90 minute period she was very alert when jumped she up to the snapshot camera. I wonder what she was looking at.
"Yellow" juvie peregrine stops by for a visit, 2 July 2024
Can't read his bands but ...
... he conveniently displays his yellow-tape
5 July 2024
At the Cathedral of Learning the adult peregrines, Ecco and Carla, are staying close to home as they molt in the summer heat. Their two youngsters have been flying now for almost five weeks and are hunting on their own, widening their range until they disperse to peregrinate for two years.
Nowadays I rarely see the Pitt juvies so I was happy to discover that “Yellow” stopped by briefly on Tuesday 2 July as seen in the slideshow above. It’s been more than a month since our youngsters walked off camera. No one on the falconcam. So here’s a little video delight.
C&C Saladin recorded these youngsters at the Terminal Tower in Cleveland on 25 June. Almost a month younger than the Pitt juvies, these two had not fledged yet. C&C Saladin describe that they’re doing.
These two male juvenile peregrines, here at 36 days old, demonstrate their curiosity and their instinctive ability to track moving objects as they watch two barn swallows that were flying around and catching bugs near the nest ledge. They also demonstrate their distractibility, as each takes a moment to stretch. The slightly more developed (less downy) juvie stretches after the juvie on the left, also showing their imitative behavior.
Airborne! at Westinghouse Bridge, June 2022 (photo by Dana Nesiti)
28 June 2024
If you watch peregrines you know how improbable it is that you will ever see one make its first flight. In 23 years of watching peregrines I’ve seen it once, maybe twice. I have no photographic evidence but I know of two Pittsburgh examples.
So what does it look like when a peregrine chick makes its first flight? Wakefield Cathedral, UK (@WfldPeregrines) has so many cameras on their peregrines that the moment was captured on 17 June.
Peregrine season is wrapping up with confirmation of breeding in one location and a bunch of “pair only” sightings in the Ohio River valley.
East Liberty Presbyterian Church, Pittsburgh:
Adam Knoerzer confirmed one chick at the nest in early June but hadn’t seen any sign of it since the 17th. Then on Monday evening 24 June, Adam was near East Liberty Presbyterian Church and confirmed “Juvie Alive and Well.”
After hearing a lot of noise, I noticed the juvie perched on a low tower on the Penn Ave side and the male dropping some food. We later saw [the juvie] fly back up to the nest.
— email from Adam Knoerzer, 24 June 2024
Adam’s photo at top shows where the young peregrine was perched. Congratulations to the East Liberty peregrines and nest monitor Adam Knoerzer!
The Eckert Street peregrines went missing this spring but there are many nest site choices within a mile of that site. Jeff Cieslak tried to find them with no luck but on 13 June Andy Moore (author of Pawpaw: In Search of America’s Forgotten Fruit and the upcoming book Beasts in the East) photographed a pair of peregrines at the Brunot Island Railroad Bridge.
Peregrine over Brunot Island Railroad Bridge, 13 June 2024 (photo by Andy Moore)Second peregrine over Brunot Island Railroad Bridge, 13 June 2024 (photo by Andy Moore)
Jeff Cieslak started checking Brunot Island and has seen the pair as recently as Sunday 23 June. Jeff remarked “I’m pretty sure the female from Eckert is there, with a young male.” No evidence of young.
Spruce Run Bridge, Ohio River: This pair is present every time Jeff Cieslak stops by, most recently 23 June. This pair is an adult female with a 1-year-old male. No young at this site.
Monaca-East Rochester Bridge, Ohio River:
Peregrine pair at Monaca East Rochester Bridge, 24 June 2024 (photos by Jeff Cieslak)
On 16 June Tim Johnson saw a pair of peregrines near the Monaca East Rochester Bridge and on 24 June Jeff Cieslak photographed them. There is no evidence of young this year.
West End Bridge, Ohio River: Remember that banded peregrine Jeff Cieslak photographed here on 13 June? Its bands have been traced to Baltimore, Maryland, but it hasn’t been seen since. No peregrines at the West End Bridge.
PEREGRINE SUMMARY FOR SOUTHWEST PA: This is probably the final update for 2024. Many of these sites did not have successful nests.
Yesterday morning when the heat index was 96°F, Carla sunbathed for 20 minutes at the Pitt peregrine nest. Her fanned tail shows us why she was doing it. Not only does sunbathing kill feather lice, it eases the discomfort of molting. Carla is molting her tail feathers two at a time.
Carla began her sunbathing session after she and Ecco bowed briefly over the scrape. She might have stayed longer but her youngster “Blue” showed up. Carla and Ecco are both avoiding their “kids” in an effort to make them independent.
Carla and Ecco bow at the nest, 26 June 2024 11:26am
The juvies have made a lot of progress since 11 June when Liz Adams took this photo of one of shouting from the 32nd/33rd floor parapet. Such a lazy bird! On its belly demanding room service! It eventually flew away toward Carnegie Museum.
Juvie peregrine shouting from the parapet, 11 June 2024 (photo by Liz Adams)
This week both juvies harassed a crow at Bayard and Bellefield and chased their parents around the top of the Cathedral of Learning. By the time I snapped this photo they were out of the frame.
Cathedral of Learning, 16 June 2024 (photo by Kate St. John)
They’ve learned how to hunt at this point but it’s a lot harder than wheedling food from their parents. On Monday they figured out that Ecco hides from them at the nest so they both invaded. Ecco shouted and left immediately. See the slideshow of their antics.
Juvenile Pitt peregrines invade the nest, 17 June 2024 (photos from the National Aviary snapshot camera at Univ of Pittsburgh)
Downtown Pittsburgh:
On Monday morning 10 June PGC’s Patti Barber emailed that a Downtown juvie had been rescued from the ground and placed up high again. This Monday, 17 June, Matthew DiGiacomo heard a juvie peregrine calling overhead and posted this photo of it on Pittsburgh Falconuts Facebook page.
East Liberty Presbyterian Church, Pittsburgh: No photos available but Adam Knoerzer wrote yesterday, 18 June:
In E Liberty now — the young one was definitely flapping wings yesterday and exercising, and I can’t see a thing in the nest today. The female is perched much lower than usual today on the eastern face, and I wonder if perhaps the young one tried to fledge and is somewhere on a low roof.
The female is in a decidedly unusual spot for her — and she has some prey in her clutches but isn’t eating it. I did briefly hear vocalizing, but it wasn’t very long or intense.
I guess it’s possible that the chick is lying flat due to the heat or something, but yesterday it was pretty easy to see it anywhere due to its size.
— email from Adam Knoerzer, 18 June 2024, 6pm
West End Bridge, Ohio River: On 13 June Jeff Cieslak photographed a solo peregrine at the West End Bridge. It is banded Black/Green and appears to be “xC/20”. (The “x” means I can’t read that letter. Jeff digitally flipped the band rightside up.) Did I read the band correctly? Do any of you know this bird?
Banded peregrine at West End Bridge, 13 June 2024 (photo by Jeff Cieslak)
Rt 40 Bridge, West Brownsville, Monongahela River:
On 1 June five birders visited the Rt 40 Bridge to watch the peregrine family of four. When Fred Kachmarik visited on the 9th and 15th of June the two youngsters were doing well.
There is a 60% mortality rate among peregrines in their first year of life so the loss of a chick is, unfortunately, an expected outcome.
As soon as the breeding season is over adult birds molt to change out their old feathers. During this period many birds look ragged. We’ll see a few bald cardinals and blue jays who’ve molted all their head feathers at once. Peregrines will seem lazy while they molt in July and August. Canada geese won’t be able to fly.
This week at Duck Hollow I noticed that Canada geese are already molting. Their white rumps are showing, which indicates they’ve lost all their flight feathers.
Juvenile Pitt peregrine whines for food at Cathedral of Learning on 2 June 2011 (photo by Nancy Weixel)
12 June 2024
Ever since both Pitt peregrine youngsters fledged on 2 June, their parents have been moving them toward independence. At first they supplied the juveniles with food just as they did at the nest, but within three days Ecco and Carla began showing and teaching them how to hunt. As the juvies gained hunting skills the adults reduced food deliveries to encourage the “kids” to hunt. Yesterday one of the youngsters missed those easy meals and was so loud that he attracted attention from the upper floors of the Cathedral of Learning. “Bring me food!” he whined, “I don’t want to grow up!”
Here are some video examples of this behavior filmed at other peregrine sites. Juvie peregrines all share this behavior.
“Hmmm. Maybe my parents can’t hear me. I’ll beg louder.”
Blue-gray gnatcatcher attacks peregrine fledgling, Cleveland Zoo, June 2021 (photo by Chad+Chris Saladin)
11 June 2024
During the breeding season birds try to drive predators away from their nests and young. Though small birds aren’t equipped with sharp beaks and talons, they relentlessly dive bomb raptors to make them leave the area.
In June 2021, Chad+Chris Saladin filmed a pair of blue-gray gnatcatchers (Polioptila caerulea) attacking a recently fledged young peregrine at the Cleveland Zoo. Gnatcatchers are really small so they barely ruffle a peregrine’s feathers.
You may see chickadees attack blue jays, blue jays attack crows and red-winged blackbirds attack just about anything. This is the time of year when Little attacks Big.
UPDATE on the Pitt Peregrines: Yesterday, 10 June 2024, I was happy to find all four peregrines at the Cathedral of Learning at 12:15pm. Ecco was on camera on the green perch, Carla was on a stone peak at 38NW, one of the juvies was eating on the southwest dining ledge (approx 28th floor) and the other was on a grommet at 25SE. (The adults never perch on the grommets.) The Pitt peregrine juvies have been flying for more than a week now and are learning valuable skills.
