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Quick Switches at the Box Throughout the Day – Astrid Pulls a Long Shift on the Eggs in Late Afternoon

Utica Peregrine Falcon Update for April 13, 2018 –

Ares comes into the box to take over incubating
Ares comes into the box to take over incubating

There was some rain overnight and even a thunderstorm – although the storm actually missed the falcons’ downtown canyon. Temperatures were in the forties during the night and barely budged through the morning. In the late afternoon, the temperature peaked in the low fifties. Astrid stayed out pretty late again last evening and didn’t relieve Ares until just before 8 PM. He retaliated though and didn’t relieve her on the eggs this morning until right before 6 AM which, believe it or not, is pretty late for these two. He was seen on the State Building about 15 minutes before coming to the nest. Interestingly, when Astrid left she landed on the exact same high ledge that he had been on only moments before. At 8:20, Astrid was on the north face of the State Building and appeared to be feeding. She was seen on the building’s west face a little while before that, so perhaps she had taken food out of Ares’ pantry. The pair switched out at the nest box at 10:02, and then Astrid was back on the eggs. She had a partially full crop. Ares went over and perched on the State Building’s north face. A little while later he was on the west face, and then back on the north. Obviously he was hunting. At 12:13, the pair switched at the nest again and then Ares took over on the eggs. We didn’t see where Astrid was for a little while and then she showed up on the State Building. Just before 1 o’clock, Ares was fussing around on the nest. He moved some stones around and then he seemed to have an issue adjusting the eggs. As soon as he tucked one beneath him, another would push out on the other side. Fortunately, after a few minutes he got that all under control.

Astrid came back to the box at 3:15, and they pair did yet another quick switch on the eggs. Ares went over to the State Building and perched on a ledge that was only two windows down from where Astrid had just been. By 4:05, Ares had flown and was off camera for a while. At 5:10, Deb located him on the east face of the State Building. Forty minutes later, Astrid was calling for him to relieve her on the eggs, but he was obviously in no hurry to comply. We weren’t sure if he was even in earshot at that time. She seemed OK to settle back on the eggs and wait for him to show up. As eight o’clock neared and dusk was upon the canyon it seemed unlikely he was going to show up, and by then she was resigned to stay anyhow. Perhaps Ares went on a late hunting trip. We shall see what time he shows up tomorrow morning.

After another quick switch at the box, Astrid takes over on the eggs
After another quick switch at the box, Astrid takes over on the eggs

Thick Fog Starts the Day – Flawless Incubation Switches & Astrid Stays Out Late Again

Utica Peregrine Falcon Update for April 12, 2018 –

Ares come in to take over incubation
Ares come in to take over incubation

It was chilly overnight with a very dense fog developing by morning, Low lying areas including the falcons’ downtown canyon were. Temperatures were around the freezing point in the very early morning, but rose quickly into the forties. Clouds and light rain came in by early afternoon. Astrid had relieved Ares at the box at 7:50, Wednesday evening. She remained on the eggs all night long and even a bit later in the morning than usual. Ares came out of the fog to relieve Astrid at 6:00. She then disappeared into the opaque cloud that enveloped the canyon. The fog was so thick we couldn’t even see the State Office Building with our cameras, let alone determine if Astrid was perched on it.  At 7:22, the fog lifted just enough to allow us to see Astrid on the State Building. At 8:43, Astrid came back to the box and landed on the cross-perch. It looked to us like she was asking to mate, but she was only looking for a quick switch. He got up and left without complaint and she took over on the nest. At 9:10, Ares was spotted on the Hotel, but he wasn’t there very long. After that he spent some time on the west face of the State Building.

Ares takes over incubation from Astrid
Ares takes over incubation from Astrid
Ares got very wet and preened on one of the pillars west of the box
Ares got very wet and preened on one of the pillars west of the box
Astrid perched on a pillar west of the box
Astrid perched on a pillar west of the box

Ares came to relieve Astrid at the nest at 10:36, but she wouldn’t go. He even used Astrid’s patented technique of looming over her and then stepping on her tail, but she would not budge. We thought that she may have been holding out for food. At 10:55, Ares was seen on the State Building. It looked like he was prepping a meal for her, but then instead of taking it to the box, he just flew off with it. Later he was back on the west side of the State Building. That’s usually were he stores food, so he may have tucked it into one of his cubbyholes. At 12:14, Astrid let out a squawk. We didn’t know what that was about at the time.  It turned out that Ares had buzzed by the box. Perhaps he had planned to stop and do a changeover, but her call surprised him. He landed on a window ledge just west of the box. He looked pretty wet. It was raining at that time. He preened for a while and then at 12:30, he began giving soe subtle long calls. Astrid answered with “chirrup” calls and squeaks. He became animated, hopped over to the box and requested his turn on the eggs. She didn’t want to leave. He came into the box and beaked with her for a few moments, but she still didn’t want to go. Finally he squeezed between her and the back wall of the box and kind of pried her off the eggs. At that point she did leave and he had his turn at incubation. After Astrid left she flew around the west side of the State Building and appeared to be checking to see what was in Ares’ pantry. She probably didn’t find anything she liked, since only a few minutes later she was perched on the north face of the building and apparently not feeding. About fifteen minutes later, she went back to the perch on the west face.

Ares compels Astrid to leave the nest
Ares compels Astrid to leave the nest
Food Drop to Astrid
Food Drop to Astrid

At 2:35, Astrid came to the box, but she only did a chick check in with Ares and then left again. Almost an hour later, at 3:22, they switched. Ares was again, ready to leave. At 5:16, Ares arrived at the box with a Woodcock. Astrid came right out to grab it. She then appeared to fly west with it, but our cameras couldn’t find where she went to feed. Fifteen minutes later she was on the State Building and she wasn’t feeding. She couldn’t have eaten much of the Woodcock. Not that we needed more evidence that Astrid is not nuts about Woodcock flesh. In fact Woodcock qualifies as one of her three least favorite prey items. The others are cuckoos and bats. She was next seen on top of a pillar located west of the nest box. At 6:15 PM, she left and was out of camera view agian. She didn’t come back to the box until dusk at 7:54. By that time Ares had been watching for her to return for about fifteen minutes and he was ready to switch. She quickly settled on the eggs and appeared set for the night.

Another Flawless Day of Incubation & Astrid Pursues an Intruder

Utica Peregrine Falcon Update for April 11, 2018 –

Astrid tries to convince Ares to leave the eggs
Astrid tries to convince Ares to leave the eggs
After ten minutes of persuasion he goes
After ten minutes of persuasion he goes

This morning was chilly and mostly overcast. Temperatures started out in the low thirties and rocketed up fifteen degrees by morning’s end. Very light snow fell a few times – mostly in the afternoon. On Tuesday evening, Astrid enjoyed a short soiree before getting back to the nest and relieving Ares. She was on the eggs by 8:00 PM and that was where she remained for the entire night. Ares brought food at 5:06 AM, but for some reason, he brought it to a ledge west of the nest box (that was different). Astrid jumped off the eggs and side stepped along the cross perch. She was making loud begging calls that sounded just like those produced by older falcon nestlings. That’s right, those same insistent, harsh calls that some of hear in our sleep during Fledgewatch. She flew out to the west presumably to connect with Ares and collect her breakfast. A minute later he came to the box to take over on the eggs and she went to the Hotel with whatever prey Ares had for her. It was too dark for us to determine what it was she was tearing into. She went over to the State Building at 5:23. About a half-hour later, she was out of view of our cameras. She showed up at the nest box at 7:18. She had a large crop, which meant she had eaten more than adequately. She spent some time conversing with Ares; they were negotiating the changeover. He didn’t want to leave the eggs just yet. A little more than ten minutes later, he relented and she took over on the eggs. At 9:30, Ares was seen at his lookout post on the top of the State Building. He came and left from there a couple of times, so we assume he was using it to spot prey. At 10:13, he was seen on the County Building. He was probably still hunting. They switched out at 10:39 and then it was Ares’ turn to incubate. A little while later Astrid was seen perched on the State Building and that’s where she remained for the balance of the morning. At 11:08, Ares gave alarm calls from the box. Astrid was still on the State Building and neither falcon left their post. The alarm calls were likely in response to a migrant raptor or raven passing through the area.

Ares incubating
Ares incubating
Eggs left alone only briefly
Eggs left alone only briefly
Astrid arrives at the box with a full crop
Astrid arrives at the box with a full crop
Astrid incubating
Astrid incubating

Astrid took over at the nest at 1:06. It was a smooth transition. Evidentially, Ares was ready to go this time. Ares flew over to perch on the State Building and from there made a few hunting forays. At 4:33, Deb saw an intruder flying over the canyon.  It appeared to be another Peregrine Falcon – probably a female. Astrid jumped off the nest and flew into action. Ares came to the nest and climbed onto the eggs only a minute later. Astrid chased the intruder north, but we don’t know what happened after that or if they interacted in any way. Astrid returned to the fold a half-hour later at 5 PM, at which time she took a perch on the State Building. She remained there for about two hours. Ares was getting anxious for her to relieve him and began giving light chirp calls at around 6:40, but she didn’t stir. She did leave her perch right before 7 o’clock. She flew west and at a pretty good clip, but (as usual) we don’t know where she went. She returned to the box at 7:50 and, following a brief conversation with her mate, she took over incubating the eggs. Ares likely went directly to his night perch. Good night, falcons!

Astrid perched on the State Building
Astrid perched on the State Building

Normal Behavior in the Canyon – Quick Changeovers Characterize the Day

Utica Peregrine Falcon Update for April 10, 2018 –

Asking to take over incubaint
Changing of the guard

It was another chilly spring day. The skies were very changeable today, but probably more sunny that cloudy. Scattered light snow flurries occurred on and off throughout the day. Temperatures were close to the freezing point in the early morning, but then peaked out in the mid-forties at mid-day. After Astrid retuned to the box at 6:26 Monday evening, she remained tight on the eggs all night. Ares arrived at the box with food at just after 5 AM. After she left with the prey, he began his shift incubating the eggs. We couldn’t find where Astrid went to have her meal, but at 5:27, she was seen flying into the canyon from the east. She then took a perch on the State Building. She remained there for a half-hour, after which, we lost track of her for a little while. At 7:04, Astrid arrived at the box. Ares was happily incubating and he balked at leaving. She crowded up against him with her head up, leaned over him in an almost menacing way; Then they did some beaking. She began emitting her strange “donkey-like” calls, but he wasn’t shifting. She moved in behind him and seemed to be threatening to step on his tail and/or the tips of his primary feathers. He still didn’t want to leave. She started giving rolling “tut” calls, and he still wasn’t convinced. Finally she did step on his wing and tail feathers and even then it took him a couple of minute to finally relinquish the eggs. Ares flew over and perched on the State Building. He came and left several times; he was probably hunting.20180410_17-23-05 20180410_17-21-54 20180410_17-21-37

20180410_17-20-57The pair switched out again at around 10:15; Ares took over on the eggs and Astrid was soon out of view of our cams. Forty-five minutes later he began making chirping calls, which meant he had visual contact with Astrid even if we didn’t.  She landed on the State Building right after that. A few minutes later at 10:56, Ares left the box and flew through the canyon. He went to his root-top look out on the State Building and she flew over to the box. With only a two minute interlude, Astrid was again on the eggs and incubating. Ares soon moved from the roof to a high ledge. He was off the building by 11:30. Twenty minutes later he was on the Hotel. He still seemed to be in hunting mode; he made several forays from the Hotel ledge. By 12:30, he was on the Southeast corner of the State Building roof. At 1:20, Ares brought prey to the box and Astrid took it and flew off. Somewhat out of character, she took the food calmly and politely this time instead of grabbing it away like it’s the last meal she’ll ever see. Has Astrid been taking dining etiquette lessons?  It wasn’t a big meal and ten minutes later she was up on the State Building preening. She remained there for a few hours. At 3:50 the falcons switched at the box and it was Astrid’s turn to incubate. Ares arrived at the nest at 5:20 and requested a turn on the eggs, but Astrid didn’t want to leave. He used all of the same tricks that Astrid employs to dislodge him, but nothing worked. He even ventured to step on the tips of her primary feathers, and it still didn’t work. Finally he gave up and went over to perch on the State Building. By 5:50, Ares had left. Possibly he was out hunting. When he came back he perched at his lookout spot on the roof of the State Building. At 7:25, Astrid got off the eggs and sailed into the canyon. After about a minute, Ares took over on the eggs. It was late for a changeover but not unprecedented. She remained invisible to our cameras until she returned at 8:02. At that time they switched and Astrid settled on the eggs for the night shift. Ares presumably went off to his own night perch.

She tries to convince him to get off the eggs
She tries to convince him to get off the eggs
Astrid gets back on the eggs
Astrid gets back on the eggs

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Egg # 4 Laid at 12:37 AM – Ares Takes a Super Long Incubation Shift in Afternoon & What in the Hell is Astrid Up To?

Utica Peregrine Falcon Update for April 9, 2018 –

Ares with four eggs on the nest scrape
Ares with four eggs on the nest scrape

Overnight was very cold with temperatures getting down into the high teens. Relatively clear skies and a lack of wind gave way to a quick warm up. By noon the temperature surged into the high thirties. Astrid had arrived at the nest box at 6 PM, Sunday evening. She remained there through the night. At 12:37, she produced her fourth and probably last egg of the clutch. It was only visible for a few seconds before she tucked it beneath her with the others. Ares came to the box with food at 4:34. She took it and went over to the Hotel to feed. Ares then got his first chance to see the new egg. He settled on top of them quickly. It’s always harder for him as a smaller falcon to fit 4 eggs beneath him, but with some effort he does manage it. The falcons pulled off a quick and seamless changing of the guard at 7:20. At thtat point, Astrid was back on the eggs and Ares was perched on the State Building. Later on Ares appeared to be in hunting mode. He was seen on the Hotel at 9:37. Eight minutes later Astrid began calling to him. He landed on the steeple but only stayed there for a few minutes. He then went to the box and the pair executed another rapid changeover. Again, it was taking Ares some effort to get all the eggs beneath him, but he ultimately did. After she left the box, Astrid was out of our camera view for a quite a while. At eleven, a Turkey Vulture flying through the canyon elicited no response from Ares. A half-hour later, Ares did get excited. He called a few times and then left the box. He took a high perch on the State Building. A moment later, Astrid flew in from the east and landed on a window ledge near his. He left his perch and boomeranged back for a mating attempt, but his trajectory was off and he landed on another ledge instead. Astrid then returned to the nest and to incubating. The eggs had been uncovered for only two minutes.

At 11:43, Ares was back on the hotel. He seemed to be in hunting mode again. At 12:09, Astrid got a little excited and vocalized from the box. We didn’t know what she was reacting to. At 12:21 Ares was seen on the east face of the State Building, but he wasn’t there for long. At 12:32, Astrid suddenly left the box. The Pigeon flock stirred, but she wasn’t pursuing them. In two minutes, Ares came to the box and got onto the eggs. Astrid came back to the nest at 12:46, but Ares didn’t want to leave. She turned around and flew back into the canyon. She swooped back and forth in front of the State Building a couple of times and then landed on a high ledge on that building. For the first part of the afternoon Astrid was mostly on the State Building. She made occasional forays out but returned to her perch each time. That is until 3:09, when she flew west. After 12:30, Ares spent the entire afternoon at the box. For a short time when the sun was hitting it with full force, he even did a little shading, which was surprising because it was still only in the 40’s. Astrid wasn’t seen in the canyon again until 5:38. She had gone into Ares food cache on the west face of the State Building and had taken a Woodcock. She then went over to the Hotel ledge to feed on it. After plucking and tearing at it for a while she took the meal up to the State Building. There she fed on it for a while longer. And then, instead of going home to the eggs she flew off to the west. Where was she off to now? At that point, Ares left the box and the eggs, and flew over to the Hotel. After a minute he went over to the steeple, and then back up to the box and onto the eggs. He was off the eggs for about 9 minutes total, which is not a problem. Astrid showed up on the steeple at 6:14. At this point she hadn’t taken a shift on the eggs in nearly 6 hours. That’s unusual and was something she hadn’t done in previous years. More typically she would give Ares an extended turn at incubation only during really hot afternoons, but not on a day like this. We still think that she’s likely being distracted by another Peregrine or pair of Peregrines somewhere within or close to her territory. Judging by the direction she is sometimes seen flying of in, we think that her nemesis is somewhere south or east of the canyon. Fortunately Ares held firm today and kept on the eggs through his mate’s entire absence from the site. She finally came to the box at 6:26, and rather hilariously, Ares was acting like he didn’t want to leave! He had just spent half the day there! Astrid forced the matter this time and took over incubation. Ares went to the Hotel for a few minutes and after that he was out of view for a while. Meanwhile Astrid was reintroducing herself to her clutch of eggs. She seemed to be in for the night.