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| Discussion of other Raptor species; their anatomy, biology, ecology, etc. | |
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| Tweet Topic Started: Sep 16 2007, 11:04 AM (18,136 Views) | |
| ostrich2 | Oct 13 2007, 06:23 PM Post #91 |
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I wonder how to what degree the well trained raptor develops a perception and relationship to the human handler - I think when many of us think of tameness we tend to think of the word in terms of dogs or cats, and these species have an strong innate connection and emotional bond to humans. Of course the raptor doesn't have this, and it's natural instincts are much different. How would you characterize how the raptor perceives the relationship in your experience? |
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| Raptorman | Oct 13 2007, 09:47 PM Post #92 |
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| Bea | Oct 14 2007, 12:56 PM Post #93 |
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Just turning in part of our Quizz Assignment - still working on the rest 1. What does the word raptor mean? The word 'raptor' comes from the Latin raptor (plunderer) and the French raptus (to seize and transport). The English words 'rapt,' 'rapture,' or 'enraptured' share these same roots. [Latin, one who seizes, from rapere, to seize; see rapt.] noun A bird of prey. 2. What makes a bird a raptor? They are hunting birds with keen eyesight and hearing, strong feet with sharp talons for grasping and killing prey, and curved beaks for ripping up their food. Raptors are not the only predators of the bird world, but they are the only ones that hunt with their feet! 3. List the different groups (common names) in the bird of prey family. I'm skipping this one for now. (I'm assuming you mean names like Hawk, Eagle, Owl, etc...?) 4. How many times must a raptor reproduce itself for its species population to remain stable? Gotta skip this one for now, too 5. What is the largest owl species? The Snowy Owl, and may I say I think it is the prettiest, too! 6. What is the heaviest? The Snowy Owl has the heaviest Coat of Feathers of any Owl Species in North America. I'm not sure if that makes it the heaviest in overall weight? I would think so. 7. What is the smallest? The Elf Owl - World's smallest owl - My Nat. Geo Bird Book for North America. 8. Can owls digest bone? No. Owls do not digest fur, feathers, teeth and bone but periodically rid themselves of these in the form of regurgitated pellets. 9. Name two diurnal owl species? Burrowing Owl Snowy Owl 10. What characteristic allows the Great Horned Owl to be a natural predator of Skunks? My first thought was that it could not smell anything. I had to chuckle when I found this answer: "Did you know that a great horned owl probably does not have a good sense of smell? It is one of the few predators that will actually kill and eat skunks. Taxidermists who stuff and mount dead owls often have to deodorize them first, because the bird smells so strongly of skunk!" Okay, that's it for now
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| Raptorman | Oct 14 2007, 03:39 PM Post #94 |
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| SoCal Lady | Oct 14 2007, 03:59 PM Post #95 |
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Bill, I just looked up Shrike, on Wikipedia---- A Shrike impales its prey on thorns, so as better way to tear away flesh for eating and serves as a "larder", to keep prey in place, so as to return later for more dining. In looking at the photo of a shrike, since their feet are small, talons are not available to hold onto prey for tearing of flesh to dine. Rather unusual adaptation using the impaling method, but I would think the Shrike loses a lot of unfinished meals to other birds, like ravens) if the Shrike leaves it in the "larder" for more than a few hours. Unless of course there are not other meat eating birds in the same habitat as the Shrike. |
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| Raptorman | Oct 14 2007, 05:24 PM Post #96 |
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| ostrich2 | Oct 14 2007, 06:16 PM Post #97 |
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If I recall correctly (this is from memory), the shrike uses the impaling method as a way to store prey items that can later be retrieved, but it does not actually impale prey to kill them. In fact, the shrike's main predatory technique is that it is small and looks like a non-predatory passerine. It typically is able then to surprise prey and kill with a quick bite to the base of the neck. |
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| Raptorman | Oct 14 2007, 06:59 PM Post #98 |
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| Bea | Oct 15 2007, 10:59 AM Post #99 |
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Well, I could have done worse :lol: This is a lot of fun Bill, and yes, I've learned a lot trying to find the answers to the quizz. Very educational, and, sometimes confusing too! As we said before, we have to be careful when researching on the internet. For question #7 for example (smallest owl), I came up with at least 4 different answers from the internet. Decided to go with my Nat. Geo Bird book on that one :lol: . Question #5, I'm soo disappointed that I was wrong (here again, Internet research showed 3 out of 5 sites that named the Snowy, and not the Great Grey), so it is definetly tricky to find the right answers. But I still insist it's the prettiest one! rofl. Number 8 was tricky too. After reading your answres, I did some more searches, and I finally did find one site (out of how many I don't know) who actually said yes, they do digest small bones. And now come to think of it, I could swear you mentioned it before to us also. So, I should'a known that one. I started reading a little about the shrike. Wow, never knew birds would/could do that (impaling). I'm looking forward to working on the next 10 questions. Started on number 11, and although I can name a couple of "crepuscular" owl species, I'm having trouble "proving it" :lol: |
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| Raptorman | Oct 15 2007, 11:25 AM Post #100 |
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| ostrich2 | Oct 15 2007, 05:43 PM Post #101 |
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The first two eyasses unfortunately either didn't hatch or died after hatching, but fortunately the remaining one seems to be doing well so far. It is definitely showing significant growth and its crop seems to be full quite frequently, so perhaps they will still manage to fledge young this year. |
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| Raptorman | Oct 15 2007, 07:07 PM Post #102 |
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| ostrich2 | Oct 16 2007, 09:44 AM Post #103 |
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It's certainly fair to say I think that we have seen this on the Saanich bald nest - on the SC nest there has only been one chick both years so there has been no competition and more than adequate food. We definitely saw when there were two eaglets on the Saanich nest that the going was tougher, especially for the smaller eaglet, although both fledged successfully in the end. This past year with Skye being the only eaglet on the nest, it was very rare that the eaglet was not well fed and the concerns about adequate food were almost nonexistent. |
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| Raptorman | Oct 16 2007, 11:00 PM Post #104 |
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| Bea | Oct 17 2007, 11:49 AM Post #105 |
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Ostrich and/or Bill, do you still have the link to that video? I remember seeing it somewhere (maybe thru the Hancock site?) and would love to see it again if you don't mind posting it again? |
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