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Friday June 4, 2021 – The Male Nestling Contemplates the Canyon

Astrid spent most of the night in the nest vicinity. Ares brought a small prey item to the box at 3:47 AM. Astrid took it inside but then immediately lost it to one of the babies. It was too dark in the box to determine if any of them were actually trying to eat it. Both parents were out of view after that. Astrid was observed on the steeple at 5:38. At 6:39 the male nestling backed up onto the lip of the box to relieve himself. We will be seeing more and more of this behavior in the coming days. At 7:25 Astrid flew to the roof of the nestbox which meant she was expecting people to arrive in their offices at any time. At 7:36 both falcon parents converged on the crossperch. A few minutes later they were both on steeple perches. Astrid upped Ares from his steeple perch ten minutes later. This was her way of sending him out to get groceries. It worked and he came back with prey at 7:53. Astrid flew over, snatched it from him and then one of the chicks stole it from her. The other nestlings got involved. It became a tug-o-war free-for-all. In the end all three were picking at the meal in the corner. At 9:11 AM Astrid brought an entire Pigeon into the box. One chick got a hunk of it and the other two got in line to be fed.

At 11:12 AM Astrid started feeding out something that was already on the floor of the nest. Ares went after a large bird that passed through the canyon – probably a Turkey Vulture. At 11:50 Astrid was on the steeple and Ares screeched over to the west veranda. Astrid made a few visits to the veranda and to the roof of the box during the subsequent 2 hours. Meanwhile the chicks alternated between being highly active and napping. At 3:00 the male nestling was looking out into the canyon and bobbing his head. It’s not much of a stretch to predict that he will be the first one to fledge. His body plumage becomes darker by the day and his flight feathers are looking more and more complete. Ares brought prey to the longperch. Astrid took it and tried to begin a feeding but the second hatched female nestling stole the food. At 3:07 Astrid was seen on the hotel drinking water from a puddle on a ledge. It has been a while since we have seen that behavior. The temperature was in the high seventies by this point, but none of the falcons – chicks or parents seemed overly concerned about it. At 5:35 Astrid flew from her steeple perch. The chicks were squealing and cackling. Five minutes later she brought food and was feeding them. It was a raucous session. Meanwhile Ares landed on one of the lightpoles on the roof of the bank. It was an unusual perching location for him. Since Ares was cleaning his bill, we conjectured that he had caught the last meal that Astrid had been dishing out. The next meal was brought in by Astrid, but it’s likely that came from Ares as well. One of the nestlings stole the food away from Astrid, but then she grabbed it right back. By 7:08 she had finished the feeding and was out. Ares had been on the west veranda and he flew out at about the same time. Astrid spent some time on the steeple after that. She appeared to be in hunting mode. She was on the longperch at around 8:40 and was settling in on her guard post. The nestlings did some impressive wing flapping before settling down themselves. Goodnight falcons.

Thursday June 3, 2021 – Nestlings are Deep in the Food Grabbing Stage

https://www.youtube.com/watch?v=0YbNaQH4T74

The Overnight period was wet and cool – a nice early May kind-of day. Oh, that’s right, it’s early June! Astrid was in the nest vicinity for part of the night. Ares came to the box with prey at 2:18 AM but Astrid did not come to meet him. He thought about doing the feeding but then one of the big chicks swiped the food from him and took it to the back of the box. The era of food swiping has begun. At 5:12 Astrid came to the east veranda. Astrid then came to the crossperch at 5:33. She seemed to know there was uneaten food inside the box but every time she went inside to get it one of the chicks would chase her out. She made about fur failed attempts. Finally, she came in and got it and began trying to serve it out. While Astrid fed one of the chicks, the biggest chick was biting at her tail and grabbing it with her big foot. She was grabbing at the food as well, but each time Astrid would pull it back and feed her a piece. At 6:05 the second biggest nestling gave an extend cackle call. It was surprisingly long. Astrid had been on the steeple but took flight possibly in reaction to the nestling’s calls. At 6:21 both adults were on pillar perches to the west of the nest. At 6:47 Astrid came to the box for a chick-check. She was trying to come inside, but once again the babies kept chasing her out. She then began dancing back and forth between the crossperch and the two verandas. We think she may have been showing the nestlings that the veranda platforms are something they need to be using. Seems too early on for that kind of thing, Astrid. At 6:56 Astrid was on the roof of the nestbox.

https://www.youtube.com/watch?v=-URX3qB7zyU

At 9:37 AM Astrid was feeding out something that Ares had brought – possibly a goldfinch. At 10:58 Ares brought more food – probably a cuckoo that time. Astrid took it and served it to the nestlings. At one point the oldest chick stole the food, but Astrid took it back and resumed the feeding session. At 11:30, Astrid was back to the box roof and Ares was on his east pillar perch. At 12:13 PM Astrid flew over Deb’s head in the parking lot. Was she hunting Pigeons or giving Deb a warning not to go into her office? Ares did some flying around the canyon; he sailed by the hotel and then towards the State Building. At 12:38 Astrid was on her steeple perch. Ares was on the State Building but then went on a hunting trip shortly afterwards. At 1:00 Ares brought a swallow to the box. As Astrid tried to serve it out one of the chicks made off with a hunk. She continued to give out what was left. Ares brought more prey at 1:41. Astrid attempted to feed the chicks only to lose the whole thing to one of them. That chick took it to the corner. Astrid tried to recover it but the nestling held it fast with her talons. Astrid ultimately gave up and left. The nestling then jumped around with her prize, footing it and biting it, but not really eating it. At this point the winds were stronger in the canyon and they were occasionally making feathers swirl around in the box. The nesting watched the feathers fly around their heads. At 2:16 there was a food transfer outside of the box somewhere. Astrid had the prey and fed it out to the chicks who were relatively well behaved. Astrid did chick-checks at 3:45 and 4:00. At 5:44 she came into the box with a large prey item. It looked to be a Pigeon. She was able to feed the nestlings for a while but then the last third of the meal was absconded with by a chick. Ares brought food at 6:39. Astrid did the feeding and the nestlings were again fairly well behaved – at least by recent standards. For some reason, more than halfway through the feeding, two of the chicks gave cackle-type calls. Astrid kept feeding them right through. Astrid called it a night at 8:45 and came to her guard position on the long perch. Goodnight all

https://www.youtube.com/watch?v=T7OMCPra8PU
Ares – a little wet from the rain

Wednesday June 2, 2021 – Another Long Fast for the Nestlings Followed by a Large Meal

The overnight was relatively mild. Temps came up after daybreak and it even got a little hot in the midafternoon. Light rain showers helped to cool things off. Astrid again spent the night in the vicinity of the nest. There were no overnight feedings. At 4:55 Astrid was out on the long perch waiting for Ares to bring something when she noticed there was prey already on the floor. Most likely Ares brought something earlier and a chick stole it from him. Astrid picked it up and did a feeding. Ares screeched over to do a chick-check at 5:57. He was on the long perch for a while after that. At 6:30 AM Astrid was on her steeple perch. She had a large crop and had obviously just eaten. She was on the west veranda ten minutes later. At 6:47 both parents were assuming their guard positions – her on the box roof and him on the east veranda. They were still there at 8:30. At 9:21 Astrid came to the box and got the nestlings squealing. She was back on the box roof giving cackle calls at 11:10.

At 12:54 PM both parents were at the nestbox and the nestlings were very animated – calling and writhing. They hadn’t been fed since early morning and they were famished. At 1:30 Astrid came to the box with a Pigeon. A long feeding session followed. At 2:12 Ares brought more prey to the nest. He hopped in, fed one chick for a little while and then was out again. It had been lightly raining for while by this point. Astrid was on the box roof again at 3:25. Even though there was no one in the office where the box is located, she kept a super vigilant watch in case someone showed up. At 6:00 what appeared to be a Pigeon fluttered up towards the box. Both parents were there at the time. Astrid chased after it, but we don’t think she caught it. She was on a steeple perch a few minutes later. At 7:09 the parents came to the box at the same time for a chick-check. The babies when bonkers. She moved to the box roof, and he went to his pillar perch. At 7:42 Astrid came to the box with a large hunk of prey – probably a Pigeon. Ares hadn’t left his pillar, so we know he hadn’t brought it. She proceeded to feed it out to the nestlings. At 8:14 Astrid was to her night position on the east veranda. Goodnight falcons.

Tuesday June 1, 2021 – Withholding Prey During the Hottest Part of the Day

It was cool overnight but the temperature came up fast after daybreak. The sun had also come out by mid-morning and temperatures soon reached 70 degrees. Astrid spent most of the night in the vicinity of the nest. There were no overnight feedings. Ares came to the box with a small prey item at 4:55 AM. Astrid handled the feeding. The meal went by very quickly. In the next half hour both parents came by the nest to do quick chick-checks. Each time the nestlings squealed wildly. At 5:22 Astrid came to the nest with a Black-billed Cuckoo. Obviously, it came from storage or from Ares directly. Astrid’s traditional aversion to cuckoos has yet to manifest itself this season. The largest chick stole the cuckoo from Astrid and took it to the back corner. Astrid yanked it back, plucked it, and began the feeding. The second largest chick tried to steal the food as well but couldn’t manage it. The meal was over by 5:33. Astrid was on the steeple after that, and Ares was on the State Building. At 7:58 Astrid had become irritated by people in their offices near the nest. The Memorial Day holiday was over and now Astrid had to put up with office monkeys near her nest again. She gave some cackle calls and began obsessively watching the office windows. At 8:07 Ares brought food to the west veranda. Astrid scrambled over to him to get it. She flew into the canyon and then back to the nest. The prey appeared to be a small sandpiper, possibly a Least Sandpiper. Astrid fed it out to the chicks.

https://www.youtube.com/watch?v=m6W3EuRzCSY

At 9:55 AM Astrid went onto the roof of the nestbox. She was on guard duty again. Ares made a food delivery at 10:06. Astrid took it and did the feeding. At 11:04 Ares was on the hotel ledge. He was plucking and eating part of an unusual Pigeon, It was smaller than the average size for its species and it had odd black and white plumage. We struggled to identify its headless body, but then we saw its pink legs and we knew it had to be a Pigeon – odd plumage pattern notwithstanding. At 11:09 Ares flew in with the prey. Astrid came off the steeple to meet him at the box. Screeching, she grabbed the prey from him, hopped into the box, and fed the chicks. At 11:54 Astrid was annoyed at the offices again and did some hazing of the 15th floor. At 12:05 Ares brought over a Blue Jay. Astrid accepted it and fed the chicks. Nesting number 2 had a short tug-o-war with Astrid but mamma prevailed as she always does at this stage. Soon a time will come when she won’t be able to get the food back. At 1:35 another meal was underway. Astrid was conducting it. The prey she brought in was another Blue Jay. Were they on sale today? Apparently Ares gave it to her on a west ledge. Astrid did a few more chick checks but we only confirmed one more feeding for that day and that was at 8:38 PM. Ares brought prey to the west veranda at 4:30, but for some reason no feeding took place. It was very warm in the box in the second half of the afternoon. Sometimes the parents withhold food in such conditions. Astrid spent the night in the vicinity of the nest as expected. Goodnight all.

https://www.youtube.com/watch?v=XCHDmLB-0es

Monday, May 31, 2021 – Ares Gets to do Two Feeding & The Sun Finally Comes Out

https://www.youtube.com/watch?v=CekF483i28c

The overnight period was cool and wet. Intermittent rain continued for the first half of the morning. The sun was out by midday and temps breeched the 60’s for the first time in a while. Astrid was at or near the box for much of the night. There were not any overnight or early morning feedings. Of course, hunting is difficult in this kind of weather. Astrid was at the box until about 5:20 AM and then she moved to the State Building. After that she was seen lunging after something from the steeple. She came to the long perch at 5:41 but without any food. The nestlings were screeching and flapping their wings. At 5:44 Ares came to the nest with prey. Astrid quickly grabbed it and started a feeding. The eldest chick began a tug-o-war with her mother – employing her big foot as well as her bill. Astrid managed to pull it away and then fed one of the less rambunctious nestlings on the other side of the box. The feeding went until about 5:55. At 6:14 Ares landed on the crossperch with more prey. This time Astrid was nowhere to be seen. Ares hopped into the box and started to feed one of the chicks. It was chick number 2. It was working but it seemed to us like Ares was a little on the paranoid side – like he was expecting Astrid to burst in at any second and grab away the food and food and do the feeding. At one point Ares stopped the feedings and went out onto the crossperch with the food. That lasted only a couple of minutes. He hopped right back in and finished feeding out the meal. Through part of the meal. he gave light sharp calls in order to compel the youngsters to feed, not that they need all that much coaxing. When he came back in he was mostly feeding chick number 3. At the time we still didn’t know where Astrid was. At 7:30 we located her on the hotel ledge taking in some sun. Twenty minutes later she was done with the spa and went to the steeple.

https://www.youtube.com/watch?v=4H7UOVfc3hs
https://www.youtube.com/watch?v=qh2MFsxgp70

At 9:35 Astrid did a chick-check at the box. She was back at 10:02 and that time she had most of a Pigeon in her talons. She proceeded to feed the chicks until about 10:27 and then she was out of the box. At 11:22 she joined Ares over at the hotel ledge. She preened and let the sun warm her feathers. At one point Ares took a true sun bath – laying flat on the ledge and spreading out his wings. At 11:52 Astrid returned to the steeple. At one point she made a foray out after prey. She was still in hunting mode even after so recently feeding the chicks. At 12:28 Astrid landed on the roof of the nestbox. She hadn’t d been thinking about monkeys in offices much on this day, but now she was checking out their lair. Fifteen minutes later she was on the State Building with Ares. At 2:02 Ares brought food to the nest. Astrid did the feeding. At 3:55 Ares flew up the crossperch with a meal. He waited a minute for Astrid to show up. When she didn’t he hopped into the box and started a feeding. He pretty much fed them one by one but all three did ultimately partake. All in all, it was a successful feeding. Astrid’s location during Ares’ feeding session was unknown. She came to the nest to do a chick-check at 5:05. She hopped into the box and fed out some floor scraps. She was gone for a while after that. At 6:25 Ares was on the hotel plucking prey. After feeding on it for about six minutes he carried it off into the canyon and ultimately to the nest. Astrid met him there, took the food and did the feeding. After the ten-minute-long meal Astrid flew into the canyon, eventually settling on the steeple. She left for a while only to return to that perch at 7:45. By 9:45 she on the east veranda – probably for the night. Goodnight all.

Ares feeds the nestlings twice today