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Thread started 23 Feb 2014 (Sunday) 22:54
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Sharp-shinned or Cooper's Hawk?

 
volvorules
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Feb 23, 2014 22:54 |  #1

Hello all,

Hoping for some ID help here. I am leaning towards Cooper's Hawk based on the info I've found in the book I have, plus searching the net. Fortunately I have quite a few poses, as this male and his partner are building a nest in a tree in my neighbor's front yard! Very excited, as I have just gotten into birding, and am practicing with my new Sigma 120-400.

C&C welcome as well as the ID :)

Nest pieces:

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Backside:
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Overhead:
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More nest pieces:
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Looking for the next branch:
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This one might work!:
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Rob
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Evan
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Feb 23, 2014 23:47 |  #2

It's a Sharp-shinned Hawk. Square, flat tail is a dead giveaway and the only real way to identify them when they are in flight from a large distance and their size is hard to judge (besides wing beat, but that takes a lot of practice). A Cooper's Hawk will have a rounded tail.

When they are a bit more cooperative, and sitting on a branch, you can look at the thickness of their legs. Sharp-shinned Hawks will look like they are on toothpicks, while Cooper's Hawks will have much sturdier looking legs.

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Cooper's Hawk *


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peregrineflier
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Feb 23, 2014 23:53 |  #3

Sorry, but it is a Coopers hawk.


Thanks, Tom the Peregrineflier ;) Lyle Washington
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peregrineflier
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Feb 24, 2014 00:14 |  #4

The first picture is of the bird you shot, the second is an actual sharp shinned hawk tail. Yes, a sharpy has a squared of tail, but your bird has a rounded tail


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Thanks, Tom the Peregrineflier ;) Lyle Washington
Canon 1D mk3, Canon 100-400 L, Canon 300mm f/4L IS
http://peregrineflier.​smugmug.com/ (external link)

  
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Evan
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Feb 24, 2014 00:57 |  #5

peregrineflier wrote in post #16712495 (external link)
Sorry, but it is a Coopers hawk. I am usually wrong only about 0% of the time. Yeah, I know, sounds conceded, but it is a fact. : )

I agree, taking a longer look at the images, this bird has a lower center of gravity. I think what fooled me initially was a brief look at the second, third, and fifth images. In which the angle of the bird foreshortens the tail feathers.

I can admit when I have a wrong ID, and I take corrections positively. That is how I have learned to bird, from ornithologists that may have been good at birds, but sucked at people skills. What I do know is a "fact", is that a new person just starting to enjoy birding who comes across a correction so boldly stated can easily be put off the hobby. I have seen it in action. I think a bit of humbleness can keep this forum welcoming.


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peregrineflier
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Feb 24, 2014 01:12 |  #6

Evan wrote in post #16712578 (external link)
I agree, taking a longer look at the images, this bird has a lower center of gravity. I think what fooled me initially was a brief look at the second, third, and fifth images. In which the angle of the bird foreshortens the tail feathers.

I can admit when I have a wrong ID, and I take corrections positively. That is how I have learned to bird, from ornithologists that may have been good at birds, but sucked at people skills. What I do know is a "fact", is that a new person just starting to enjoy birding who comes across a correction so boldly stated can easily be put off the hobby. I have seen it in action. I think a bit of humbleness can keep this forum welcoming.

Ah, you're right and I am sorry. No offence to you, those are about the hardest two birds to tell apart. I have been telling the people the difference on here for a few years now. I kind of got a reputation on here as the guy who always gets these two right, it has gone to my head : ) Somewhere on here I made a post that helped a lot of people learn how to the difference.


Thanks, Tom the Peregrineflier ;) Lyle Washington
Canon 1D mk3, Canon 100-400 L, Canon 300mm f/4L IS
http://peregrineflier.​smugmug.com/ (external link)

  
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volvorules
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Feb 25, 2014 22:46 |  #7

Thank you both for the ID. I was leaning towards Cooper's, but am just learning. I appreciate all the info!


Rob
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Duane ­ N
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Feb 26, 2014 04:44 as a reply to  @ volvorules's post |  #8

I appreciate the info posted as well. Tom and Evan have always been willing to educate us and I for one thank them...they have helped me so many times. :D


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parkespapa
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Feb 01, 2015 12:38 |  #9

Okay guys, help me with this one. The eye tells me sharp-shinned, but the feet look like cooper's.

IMAGE: https://farm8.staticflickr.com/7386/16233014548_11469f2a54_c.jpg



  
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Beekeeper
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Feb 01, 2015 13:19 as a reply to  @ parkespapa's post |  #10

Cooper's hawk. Tarsus are thicker than those found on a Sharp-shinned hawk, squarish head, and a darker 'cap'. Cooper's hawks often have the feathers on the back of their heads raised giving that squared off look. The tail tips are also usually rounded on Cooper's hawks with a wide white terminal band-this can be missing though due to feather wear.

Check out Jerry Liguori's blog. He is very knowledgeable when it comes to raptors.

http://hawkwatch.org …-hawk-outer-tail-feathers (external link)


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parkespapa
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Feb 01, 2015 13:24 as a reply to  @ Beekeeper's post |  #11

I will believe you, but have you ever seen a Copper's Hawk with red eyes?




  
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ohiofalcon
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Feb 01, 2015 13:25 |  #12

In my experience in the field. a sharp-shinned will be more hunched up with its head appearing to be behind the edge of the wings and the Coop will be more of a cross with its head out in front. as for the last picture posted. the red eye tells us it's an adult. the juvie sharps and coops will have yellow eyes.


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parkespapa
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Feb 01, 2015 13:33 as a reply to  @ ohiofalcon's post |  #13

Thank you both. I definitely learned something today! The Cornell Ornithology site did not mention that Cooper's could have red eyes.




  
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Beekeeper
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Feb 01, 2015 13:35 as a reply to  @ parkespapa's post |  #14

Yes, adult Cooper's and Sharp-shinned hawks have red to orangish red eyes. Only juveniles have yellow eyes.

This is a juvenile male Cooper's hawk.

IMAGE: https://farm6.staticflickr.com/5174/5484549440_66c27f85d9_b.jpg
IMAGE LINK: https://www.flickr.com …/in/set-72157626164091870  (external link)
Juvenile Male Cooper's hawk (external link) by Zach (external link) on Flickr


Here is an young adult female Cooper's hawk. The eyes of adult females don't usually get that deep red of males, but turn more orange.

IMAGE: https://farm6.staticflickr.com/5093/5484329694_1bc4750499_b.jpg
IMAGE LINK: https://www.flickr.com …/in/set-72157626164091870  (external link)
Female Cooper's hawk (external link) by Zach (external link) on Flickr

Zach--C&C is welcome on my photos
https://www.flickr.com​/photos/46367607@N06/ (external link)
7DI Body Gripped|7DII Gripped|EF 85mm1.8|EF 50mm1.4|EF 100mm2.8L IS Macro|EF-S 10-22mm|EF 400mm5.6L|430EXII|580E​XII

  
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Sharp-shinned or Cooper's Hawk?
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