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 Forum Index > H.W.F. Archives > Archive - White Rock Nest Camera Archive
 White Rock 2010/11 ~ Bald Eagle Nest Cam
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By: AnniesKatz (offline) on Tuesday, April 26 2011 @ 01:58 PM EDT  
AnniesKatz

10:44a - Dad has arrived after much trilling from he and Mom, Dad arrives with
what appears to be some sort of large bird. Maybe tell better with a closer look.
Mom flies out and Dad is standing on the edge of the bowl area. Charlie and Delta
being quiet.
CLICK x2 and you can get a really good look at the prey.
Click on image to download

10:51-56a - Dad digging around in the bowl part way over the chicks. He rocks
and settles but not quite down yet... facing 8-9. The prey is so close to the bowl, it is
hard for him to be all the down.


Annie ~ April 2009


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By: garyandjudi (offline) on Tuesday, April 26 2011 @ 02:03 PM EDT  
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pop WR trills for mom WR she flys in
Click on image to download 10:56 AM PDT


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By: garyandjudi (offline) on Tuesday, April 26 2011 @ 02:05 PM EDT  
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well you called me I'm here now get up
Click on image to download 10:59 AM PDT


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By: AnniesKatz (offline) on Tuesday, April 26 2011 @ 02:24 PM EDT  
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10:58a - Calling and trilling from Dad and Mom (offnest).

10:59a - Mom flies back into the nest. Mom does her little calls and they
'chat'. She is standing in the nest facing 7 with her wings slightly away from her
body.

11:00-11a - Mom continues to stand in the same spot...both checking around
but not alarmed.
2 single calls from Mom and one from Dad as he broods.
Click on image to download

11:13-18a - Both making single calls.
Dad flew out while I stepped away.

11:21a - Mom is now brooding the chicks facing 10.

Hi Judy - My first thought was shellfish too, then I changed it after I blew it up
to fullscreen, but I think because it is on top of the black thing, I changed my mind.
Oh well, when they pick it up, we'll be able to tell.


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By: Bonnie (offline) on Tuesday, April 26 2011 @ 02:47 PM EDT  
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Quote by: garyandjudy

pop WR trills for mom WR she flys in
10:56 AM PDT



go back and look at that a picture again just under where it says foundation you can see she was being chased back to the nest by another eagle i missed the shot as i was just sitting back down when it all happened but the other eagle came close enough to the camera you can tell it was another adult bald eagle.


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By: AnniesKatz (offline) on Tuesday, April 26 2011 @ 02:57 PM EDT  
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I'm not hearing any construction sounds so far today. (-:

11:31-47a - Mom quietly brooding glancing around. The wind is ruffling her
feathers.

11:51a - She's doing her beauty routine...preening her wing and back
feathers and what beautiful feathers they are!
Click on image to download

I'm out for awhile @ 11:57a Out


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By: JudyB (offline) on Tuesday, April 26 2011 @ 03:14 PM EDT  
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12:12 pm
Feeding going on - not sure when it started.
Looked as if one of them was in submission at one point, but both are being fed now.

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By: Anonymous: willpatt () on Tuesday, April 26 2011 @ 03:14 PM EDT  
Anonymous: willpatt

Quote by: suzcues

I am loving the White Rock nest. I forgot how much I loved the little ones watching the Decorah eaglets grow so FAST!

One of the questions we have had is about the sway of the tree. Is it the camera that is swaying or the tree? From the background it looks like the tree but from the closeup cam it doesn't appear to move that much.

Dumb question I know.

Nice to finally be here
sue



Sue, not a dumb question at all :!: Quite tricky to figure out really. If we start with the nest tree(the tree that the nest is in), the nest is way up in that tree and it does sway quite a lot in the wind. The CU cam is mounted in the same tree, so whatever direction and amount the tree top goes, the camera goes the same amount and direction. Therefore there is no relative motion between that cam and the nest. But the nest does sway and if there was a tree close by, we would see the sway better.

Now for the Wide Angle(WA) cam :!: Now we are getting into some large relative motion because that cam is in a different tree. Even though the wind may be blowing from the right, the nest tree and WA tree will not both lean to the left together or the same amount. They might do that in a nice steady breeze but mostly the wind is gusty. Once each tree starts swaying, each one will be swaying a different direction at the same time. Now the relative motion between the nest, going one way and the WA cam going the other way, gives an aggravated effect. Example: if the nest moves right 6" while the WA cam moves left 6", the relative motion is 1 ft but to us, it will appear as if the nest has moved right 1 ft. That's because the relative motion between us the observers and the WA cam is nearly zero. What I mean is, unless there is a stationary object closeby like a pole, we have no way to tell that the WA cam is moving. It's as if we are in the WA cam and going along for the ride :!:

Also if the WA cam happens to be in a flimsey tree, the WA cam might move(sway) more than the nest. If the WA cam should move left 1ft while the nest moves right 6", then the relative motion is 1.5ft, so to us, sitting in the WA cam, it will appear as if the nest has moved right 1.5ft :!:

I hope this helps Left thumb up







       
   



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