Tracking TERF04

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JudyB
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Tracking TERF04

Post by JudyB » Fri Nov 09, 2018 8:24 am

Opening up this topic to track TERF04's coming's and going's. Comments/observations welcome!

TERF04 is an adult male captured on 18 February 2018 at Vancouver Landfill in Delta, about 20kms east of Vancouver as the eagle flies. He was banded by Myles Lamont and is sporting a yellow band with black letters A over 1. Keep an eye out for him!
TERF04.jpg

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Re: Tracking TERF04

Post by JudyB » Fri Nov 09, 2018 8:41 am

November 9, 2018

I use the Animal Tracker app on my phone to follow a couple of other eagles on the east coast, and regularly look at the last seen locations for our 5 eagles - and today TERF04's symbol was blue - meaning an update within the past week! I think it's been about 2 months since he checked in, so this is very exciting. Here's where he is now (or was on Wednesday, to be more accurate - I think he's still in an area with spotty coverage):
20181108_007.jpg
20181108_007.jpg (18.52 KiB) Viewed 477 times

A closer look (the yellow dot is the most recent uploaded location):
20181108_008.jpg
20181108_008.jpg (12.66 KiB) Viewed 477 times

Switching to satellite view and backing out just a bit - it does look like a fairly remote area.
20181108_009.jpg
20181108_009.jpg (21.35 KiB) Viewed 477 times

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Re: Tracking TERF04

Post by JudyB » Fri Nov 09, 2018 8:47 am

I'm not that good at using this mapping program, but when I changed the date at the top to October 3, it gave me an earlier location for TERF04 in an area he had been active earlier in the year:
20181108_010.jpg
20181108_010.jpg (20.02 KiB) Viewed 477 times

I did find a point for early September - but I know it's been a while since we've seen him, and I hope he'll start checking in more often now.

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Re: Tracking TERF04

Post by Marg » Fri Nov 09, 2018 7:02 pm

Good to see one of them checked in Judy! Thanks.
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Re: Tracking TERF04

Post by JudyB » Wed Nov 14, 2018 2:09 pm

I agree, Marg - and hope that means we may be hearing from some of the other wanderers soon!

I checked the Animal Tracker app on my phone this morning and found that TERF04 has checked in a few more times! Here's a screen shot from my phone of his travels in the last week (the app normally shows data for the last 2 weeks, but he had been "off the radar" until November 7):
20181113_TERF04.jpg

The dots show when he uploaded data, and the long straight line from when he left Prince of Wales Island until he checked in near Prince Rupert was a 4-5 day stretch when he didn't upload data. If I'm reading the map correctly, he's now back in BC - and I think he's heading in your direction, Marg!

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Re: Tracking TERF04

Post by Marg » Thu Nov 15, 2018 6:51 am

Good news JudyB! I'll look out for him! lol
What is this app I have a Samsung phone?
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Re: Tracking TERF04

Post by JudyB » Thu Nov 15, 2018 7:31 am

Marg wrote:
Thu Nov 15, 2018 6:51 am
Good news JudyB! I'll look out for him! lol
What is this app I have a Samsung phone?
It's called Animal Tracker, Marg, and I had it on my old Samsung Galaxy phone, so I know there's a version for Android phones. There are lots of different bird species (and I think some animals) being tracked - and a lot that have stopped transmitting, which is sad to see because too often that means something happened to them - but it is interesting. I originally downloaded the app to follow osprey (the person I was aware of who was tagging them is no longer doing that) - but I can also follow Freedom, the eagle that was released from the Carolina Raptor Center a couple of years ago.

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Re: Tracking TERF04

Post by Marg » Thu Nov 15, 2018 8:15 am

Thanks Judy I'll look into it.
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Re: Tracking TERF04

Post by JudyB » Tue Nov 20, 2018 11:33 am

I'm a bit late posting these, but TERF04 checked in again on November 17. This is his route from the 7th through the 17th (it clicks bigger):
20181117_TERF04b.jpg

This is the screen on my phone after I've clicked on his blue icon to see which eagle it is, and before I clicked the Activity link to see where he's been. I'm including it mostly because it shows him passing by the area where TERF01 was when she last checked in on September 16. Her icon is the light gray one (the color indicates that no data has been uploaded for more than a month).
20181117_TERF04a.jpg

I looked back and TERF04 was out of touch for about two months, from September 10 to November 7 - so I do think some of the others will check in again before too long. David Hancock says that the northern rivers are freezing over now, which should send them back to places with more cell towers - fingers crossed.


Added - the blue icon near Port Rupert is a snow goose that is being tracked by someone else - the phone app has info about all sorts of birds that have been tagged by dozens of researchers; I don't think I clicked the dark gray icon further north - it may be another snow goose, but there are more species than they have icons, so some of them share. The dark gray color indicates that the bird hasn't uploaded date in more than a week, but it's been less than a month since the last data. I think icons are removed from the map when there's been no data for a year.

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Re: Tracking TERF04

Post by JudyB » Sun Dec 02, 2018 6:34 pm

I'm catching up here as TERF04 continues his journey south.

November 25 - previous two weeks
20181125_TERF04.jpg


November 26 - previous two weeks, and a closeup of where he was on the 26th
20181126a_TERF04.jpg
20181126b_TERF04.jpg

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Re: Tracking TERF04

Post by JudyB » Sun Dec 02, 2018 6:37 pm

November 27, path in and closer view
20181127a_TERF04.jpg
20181127b_TERF04.jpg

November 30, path in and closer view
20181130a_TERF04.jpg
20181130b_TERF04.jpg

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Re: Tracking TERF04

Post by JudyB » Sun Dec 02, 2018 6:48 pm

December 2, 2018

A semi-close view, and a closeup
20181202a_TERF04.jpg
20181202b_TERF04.jpg

TERF04 is now hanging out on the Squamish River, between Brackendale and Eagle Run!


The above maps have been from my Animal Tracker phone app (and all click bigger); this map is from our website and shows TERF04's path to date since he was tagged on February 18, 2018 - he's almost back to where he started!
20181202_008.jpg

You can follow his travels here - https://hancockwildlife.org/our-project ... ge/terf04/

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Re: Tracking TERF04

Post by JudyB » Thu Dec 06, 2018 3:21 pm

Thursday, December 6, 2018

TERF04 has been in Brackendale for about a week now. Here's his arrival on November 29:
20181206a_TERF04.jpg

And this image from this morning shows where's he's been all week. The dots are where he was when he uploaded data - and there's no fast way to tell how long he spent in any of the areas, though with the Animal Tracker phone app I used for the first two pictures, you can slowly move the time bar at the bottom back and forth to get an idea of where he was perched, especially if he was in one spot for two consecutive data uploads.
20181206b_TERF04.jpg

This image is from the map on our website (https://hancockwildlife.org/our-project ... ge/terf04/) and shows a different perspective of the area where he's been spending the most time.
20181206c_TERF04.jpg

David Hancock told me that he thinks TERF04 will be heading to Harrison Mills soon, to join the thousands of eagles feasting on salmon there. Now David does know his eagles - but I'm not so sure. The Squamish River may not be as rich a river as the Harrison - but I think maybe TERF04 is finding plenty of food right here! Stay tuned....

Added - I just used Google Maps to look more closely at Brackendale, and there appears to be some sort of body of water between the farm on the left and the major part of town on the right in the bottom map - and that's where TERF04 appears to have been spending most of his time. I was wondering what he was doing there - and now I know!

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Re: Tracking TERF04

Post by JudyB » Mon Jan 14, 2019 2:30 pm

Hi again, everyone! December got busy - funny how that happens. :%: I was still checking in on TERF04, and taking screenshots from time to time - but I never got anything posted - so here we go!

December 27 - TERF04 was still hanging out in the Brackendale area:
20181227_TERF04.jpg

And January 2 - look where he is!
20190102_TERF04.jpg

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Re: Tracking TERF04

Post by JudyB » Mon Jan 14, 2019 4:36 pm

On January 9 I did a bit of research - and found that he set out on his journey south on December 31st:
20190109a_TERF04.jpg

He arrived quite quickly somewhere near Chilliwack:
20190109b_TERF04.jpg

And set out to explore the area:
20190109c_TERF04.jpg

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Re: Tracking TERF04

Post by JudyB » Mon Jan 14, 2019 4:44 pm

I looked back over his travels - we can see up to a year with the Animal Tracker app on smart phones, and I think the maps on our website https://hancockwildlife.org/our-project ... ge/terf04/ may show more than that - and here's where he has been since he was tagged by Myles on February 18, 2018:
20190109d_TERF04.jpg

And here's what I found very interesting - where do you suppose he went shortly after being tagged? To the area where he is now! He was tagged at the Vancouver landfill, which is where the line below starts - then went to the Chilliwack area, then headed north in mid-March, as shown by the line going up and to the left.
20190109e_TERF04.jpg

I wonder if he'll follow the same pattern this year.

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Re: Tracking TERF04

Post by JudyB » Mon Jan 14, 2019 4:58 pm

January 13, 2019

The lower line from the left shows TERF04's path in to the Chilliwack area; the upper line shows a quick trip up and back across the Fraser to the area near Lake Errock.
20190113a_TERF04.jpg

Here's a slightly wider view of that quick trip on January 7 - he was close to Harrison Mills - but there's no indication he actually spent time on the flats there - though I don't know what he found of interest where he was.
20190113c_TERF04.jpg

And this is a closer look to where he's been spending most of his time. I'm not sure where exactly this is, but I'm guessing people in the area know.
20190113b_TERF04.jpg

It would be fun if someone in the area could get a picture of him. :)

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Re: Tracking TERF04

Post by JudyB » Tue Feb 05, 2019 8:03 am

February 5, 2019

TERF04 is still hanging out in the same general area - the first picture shows his movements for the last two weeks, and the second one is a wider view of the same area, to give a better idea of where he's staying.
20190204a_TERF04.jpg
20190204b_TERF04.jpg

When I was reading back, I noticed that TERF04 was tagged on February 18, 2018 - so we've been following him for almost a year!

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Re: Tracking TERF04

Post by JudyB » Tue Feb 12, 2019 11:49 am

February 12, 2019

Looking at the pattern here, I'm wondering if TERF04 has a nest.
20190212a_TERF04.jpg

I sometimes forget that the Animal Tracker app has an option to show what the land looks like (at least in some areas) - here's a different perspective of the same map.
20190212b_TERF04.jpg

We've been following TERF04 for almost a year (he was tagged on February 18, 2018), and last year he was in the same general area at this time, then headed north around March 10, and spent the summer in Alaska. It really didn't seem as if he was staying close enough to one place to have a nest - he had a core area, but seemed to be away from it for several days at a time, though cell tower coverage isn't that reliable in all the places he was hanging out, so it's hard to be sure.

I must say this makes me wonder what he'll do this year. :)

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