Harrison Mills 2023-2024 Observation and Discussion

Camera discussion for the Harrison Mills nest in Harrison Mills, British Columbia

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Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 11:53 am

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The Harrison Mills Discussion Forum

Welcome to the 2023-2024 Eagle Nesting Season

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This Nest is in the Pacific Time Zone

The adults are Duffer (M) and Dimple (F) (both of those are golf terms, in keeping with the fact that the nest is on the edge of a golf course). They were named by Betty Anne, the great friend of the eagles who used to own the resort where the nest is. We occasionally use Mr & Mrs D when referring to the pair, and Dad Duffer and Mom Dimple to remind people which is which.

As some of you know, the original pair of pan-tilt-zoom (PTZ) cams installed in the fall of 2012 both stopped working, South in March 2021 and North on March 14, 1023 - and the good news is that David Hancock was able to install two new cameras in August 2023, so we will again be able to watch the nest and see the activity in the area. These cameras have a more powerful zoom, so we should be able to get a better view of the eagles when they are hanging out on the Chehalis-Harrison Flats to the northeast (the resort is on the west side of the Harrison River, just before it joins the Fraser River).



Useful Links

- Weather at Harrison Mills, courtesy of The Weather Channel

- Harrison Mills History and Information Thread

- Link to the 2022-2023 Nest Thread

- Link to HANCOCK WILDLIFE MEMBER'S DICTION-AERIE


Nest Adoptions

2024 Nesting Season – September 2023 – August 2024
This Nest has been Adopted By:

~ Irish Eyes ~
~ Charlie Ipcar ~
~ JudyB ~
~ gemini ~


ADOPT A NEST OF YOUR OWN
Click here https://hancockwildlife.org/adopt-a-nest

Adopt a Nest Wall of Honor (Right-click and open link in new window or tab to see at full size)

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JudyB
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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:31 pm

Time Line
  • New Cams Installed: August 25, 2023; connected to internet: September 7, 2023
  • Adults Return:
  • New Nest Located: February 10 - unfortunately not in view of the cams, but visible from public viewing areas at the site
  • Eggs Laid:
  • Hatched:
  • Chicks Named:
  • Branched:
  • Fledged:
  • Last Seen:

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JudyB
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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:32 pm

About the Nest

The nest was 176 feet high in the fall of 2012 when the cams were installed in a huge Douglas Fir tree on the 10th green of the golf course at the Sandpiper Resort in Harrison Mills, British Columbia (site of the Fraser Valley Bald Eagle Festival). The tree is probably more than 250 years old; because it continues to grow, the nest is likely higher now, and there is a lot of tree above the nest (at least another 50-60 feet), so lots of places for the eagles to perch out of sight of the cam.

View of the nest tree and nest from fall 2012, with thanks to Karen Bills (clicks bigger):

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View of the tree above the nest, with thanks to JudyB (clicks bigger):

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Map of the golf course from fall 2016 showing approximate location of the nest, with thanks to Gail Morris, who wrote the description:

Image

I see that there is some interest in the layout of the golf course and where the nest is in relation to the various fairways. I am attaching an aerial view I got last fall (2016) at the FVBEF which I marked to show (as best as I remember) where the nest is and also the tall fairway tree and Mom's perch. Her perch is, actually, off the map to the right of the blue rectangle, I believe. We cannot see the gazebo structure shown on the shoreline as it is behind the trees. The #10 fairway runs along Morris Valley Road to the nest, from the Sandpiper Inn parking lot, and is North/South I think. You can click the picture to enlarge. Ignore the yellow arrows...they were on the map to show the trail to the gazebo.

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:48 pm

About the Eagles

Eagles from this area generally head north towards northern BC and Alaska when the nesting season ends in mid-August. They stay a while around the northern coast and rivers where the salmon begin to spawn first, then as soon as the spawning occurs farther south the eagles will follow those fish so they can feed off them. Eagles typically arrive back in the Harrison Mills area sometime around late September or early October. The Harrison Mills area, where this nest is located, is noted for its abundance of spawning fish from late October into December - and what is so breathtaking is that thousands of eagles from all over have been seen during this time, and they usually stay around until the fish are gone; they will then move on to their own territories and nesting areas.

Mr and Mrs Honeycomb, the original pair that we watched from early 2013 through 2017, followed that pattern, generally leaving in mid-August and returning in early October.

David Hancock's 2013 article about the history of the Harrison Mills nest - and the history of Mrs Honeycomb - viewtopic.php?p=609367#p609367.

Mr Honeycomb was last seen in mid-June 2017; local observers reported seeing two eagles fighting around that time, and we suspect he may have lost the fight and left. Mrs Honeycomb successfully raised their two chicks, and she and the two chicks left the area in mid-August.

Two adults were seen in the area in late September of 2017, and Mrs Honeycomb returned to the nest on October 3rd; a new male began spending time with her soon afterwards (though we didn't see him come to the nest until March 2018), and they produced one egg. The new male shared in the incubation and helped brood and feed the tiny chick when it hatched on May 21. Those of us watching suspected he was not a first time dad - he seemed reasonably comfortable incubating, and while it took a few tries to connect, was able to get food to the chick the first time he tried. Sadly the tiny chick died during the night of May 28-29 for no apparent reason - possibly some internal defect or maybe a food item that was contaminated (he was fed frog the day before he died). Mrs Honeycomb consumed the remains on May 30. Both adults were on the nest May 31st - the male brought Mrs Honeycomb a huge frog, which she ate. And that was the last time we saw Mrs Honeycomb.

Her mate remained in the area and continued to work on the nest, and after a couple of weeks he brought a new partner to the nest. This new female was definitely an adult, but had a few dark feathers still visible on her head and tail, so we suspect she was 5 or 6 when she arrived in mid-June 2018, and had not nested before. They worked on the nest and the male courted her by bringing food. There were no visits to the nest from August 13 through September 19, 2018. The pair returned on September 20 and began working on the nest; they were given the names of Duffer and Dimple, or Mr and Mrs D for short, later that fall.

For the next three years (2019, 2020, and 2021), Duffer and Dimple returned in September, worked on their nest, mated, and generally acted like a bonded pair of eagles that planned to raise chicks - but did not produce any eggs. We think they took a break away from the area for part of August and September, although the cam was down part of the time at least one year, so we can't be positive how long they were away.

While eagles are generally old enough to produce fertile eggs and raise a family by the time they are five years old (which Dimple was when she first appeared in 2018), some eagles take a little longer. And while some new pairs raise chicks their first season together, others take a year or more to get in sync. And in 2022, Dimple laid her first egg the evening of April 10. Those of us who watch them were ecstatic! And then we wondered why Duffer, who had been a helpful mate to Mrs Honeycomb in their year together, did not come to the nest to help with incubation. The morning of April 12, Duffer landed on the nest briefly then went to a perch, and the zoomer followed him and found that he had apparently been injured, probably in a territorial battle for the nest. There appeared to be a lot of blood on the side of his head and neck, but no long term physical damage that we could see. From the actions of the eagles, we suspect the intruder was in the area for a few more days before giving up and moving on. Duffer successfully protected his territory - but unfortunately this intrusion appeared to disrupt his instinct to incubate. Dimple did a fantastic job caring for the eggs, but she also had to take care of herself, so the eggs were left alone at times, occasionally for several hours - and not surprisingly, they didn't hatch.

We were hoping for a better year in 2023 - but unfortunately the remaining cam stopped streaming on March 14, close to the time they would normally lay eggs. One of our members was able to visit the site on May 17, and said they didn't appear to be using the nest. They had appeared to be interested in the nest before the cam went offline - but unfortunately there's no way to know what happened.

We are hoping they will be back this year, and our new cams will let us see if they do finally raise a family. :love:

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:50 pm

Eaglets Produced

Mr & Mrs Honeycomb
2013 - 2 eggs - 2 chicks (Birdie and Bogey) - Birdie fledged successfully
2014 - 1 egg - didn't hatch
2015 - 2 eggs - 2 chicks (Driver and Putter) - both fledged successfully
2016 - 2 eggs - 2 chicks (Sandy and Piper) - Sandy fledged successfully
2017 - 2 eggs - 2 chicks (Bunker and Divot) - both fledged successfully

Mrs Honeycomb and New Dad (later named Duffer)
2018 - 1 egg - 1 chick (Chips) - died when 1 week old

Duffer & Dimple
2019 - 0 eggs
2020 - 0 eggs
2021 - 0 eggs
2022 - 2 eggs - neither hatched
2023 - cams offline

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:51 pm

How to Tell Who is Who - ID Pics 1

(We hope to get some new ID pics this fall)

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:51 pm

ID Pics 2

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:52 pm

ID Pics 3

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:52 pm

ID Pics 4

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:52 pm

Reserved

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:52 pm

Reserved

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:53 pm

NEST VISITS - September 2023

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:54 pm

NEST VISITS - October 2023

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:54 pm

NEST VISITS - November 2023

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Re: Harrison Mills 2023-2024 Observation and Discussion

Post by JudyB » Sat Aug 26, 2023 2:55 pm

NEST VISITS - December 2023

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