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RE: Birds Of Prey - 4/12/2010 5:26:47 PM   
servantforuse


Posts: 6363
Joined: 3/8/2006
Status: offline 		Eagles have made a big comeback in the last 20 years or so here in Wisconsin. There are many of them in a lot of locations here. We also have perigrine falcons nesting on office buildings in downtown Milwaukee

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RE: Birds Of Prey - 4/12/2010 5:28:31 PM   
Jeffff


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Status: offline 		We have the same here.

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RE: Birds Of Prey - 4/12/2010 5:45:58 PM   
kdsub


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Status: offline 		Eagles migrate down the Mississippi during the winter…we’ve thousands alone the river road north of St Louis. Red Tail Hawks have also made a comeback and always fun to watch.

I could see hawks and eagles descended from dinosaurs but not so sure about the fellows below…I caught them with a macro 100mm lens. I was not trying to capture birds I was looking for insect but the light was great I couldn’t resist.

Butch



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RE: Birds Of Prey - 4/12/2010 5:51:52 PM   
thornhappy


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Status: offline 		Several pairs of bald eagles set up shop near Eastwood Metro Park here in Dayton and made quite a scene.  There were birders out every morning with whopping lenses/scopes for several months.

My parents live across the Maumee River from Waterville, OH (btw, the walleye are running!) and they've got a lot of bald eagles, hawks, all sorts of raptors and scavengers about.  One of their neighbors had a bald eagle make a hit right in front of their garage!

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RE: Birds Of Prey - 4/12/2010 6:09:21 PM   
Sanity


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Also in the news:

quote:

Egg transport new twist in condor recovery

PORTLAND, Ore. — Shawn St. Michael drove through an eastern Oregon snowstorm with his left hand on the wheel of his 1996 Toyota Tacoma and his right hand atop a mobile incubator belted in to the passenger seat.

His hand's pressure kept road vibrations to a minimum for his precious cargo: a California condor egg so close to hatching that St. Michael could hear the "tap, tap" of the bird's beak against the fist-sized, gray-green eggshell.

Man and egg traveled seven hours, arriving late Friday night at The Peregrine Fund's World Center for Birds of Prey in Boise. And Sunday night or Monday morning, that's where the first egg laid this season in the Oregon Zoo's condor captive breeding operation hatched.

Read more: http://www.idahostatesman.com/2010/04/07/1144030/egg-transport-new-twist-in-condor.html#ixzz0kwDvxdGW




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RE: Birds Of Prey - 4/12/2010 6:11:44 PM   
Sanity


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Awesome picture, Butch.

Remember though, dinosaurs came in all shapes and sizes.


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RE: Birds Of Prey - 4/12/2010 6:12:43 PM   
thornhappy


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Status: offline 		Hey Sanity, do you guys have local webcams on the peregrines?

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RE: Birds Of Prey - 4/12/2010 6:20:41 PM   
Musicmystery


Posts: 30259
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Status: offline 		We are loaded with Red-Tailed Hawks. They are everywhere--it's not uncommon to pass by one 20-30 ft. away, just perched. They are in the sky all the time.

We also have turkey vultures. Eagles aren't common, but they are here--you see one every once in a while.

My forest has literally hundreds of song birds right outside my door. It's awesome to watch a gang of swallows chase off a hawk.


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RE: Birds Of Prey - 4/12/2010 7:07:13 PM   
Sanity


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Yes, thornhappy - here's the cam thats on their nest (works best with Internet Explorer):

http://www.peregrinefund.org/falconcam/#

They're mating right now, which means no eggs yet, but they are hanging around the box a lot, so keep checking back if they're not there the first time you look.

And here's a local news story about the falcons:

http://downtown.kboi2.com/content/falcon-junkies-eagerly-awaiting-arrival-downtown-cam



quote:

ORIGINAL: thornhappy

Hey Sanity, do you guys have local webcams on the peregrines?


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RE: Birds Of Prey - 4/12/2010 8:26:41 PM   
Kirata


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I didn't want to hijack the thread with this, so I sent it to Thomas privately. But he said to go ahead and add it, as it might open an interesting discussion. So for anyone interested, the bird-dinosaur link, mentioned in the OP, is actually starting to look a little thin...

ScienceDaily (June 9, 2009) — Researchers at Oregon State University have made a fundamental new discovery about how birds breathe and have a lung capacity that allows for flight – and the finding means it's unlikely that birds descended from any known theropod dinosaurs.

ScienceDaily (Feb. 10, 2010) — A new study just published in the Proceedings of the National Academy of Sciences provides yet more evidence that birds did not descend from ground-dwelling theropod dinosaurs, experts say, and continues to challenge decades of accepted theories about the evolution of flight.

K.

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RE: Birds Of Prey - 4/12/2010 9:32:04 PM   
DomKen


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Status: offline 		some caveats about these press releases
quote:

ORIGINAL: Kirata

~ FR ~

I didn't want to hijack the thread with this, so I sent it to Thomas privately. But he said to go ahead and add it, as it might open an interesting discussion. So for anyone interested, the bird-dinosaur link, mentioned in the OP, is actually starting to look a little thin...

ScienceDaily (June 9, 2009) — Researchers at Oregon State University have made a fundamental new discovery about how birds breathe and have a lung capacity that allows for flight – and the finding means it's unlikely that birds descended from any known theropod dinosaurs.

The issue is with the mobility of the femur. All modern birds have immobile femurs and it is involved in their lung action. However no other animals with femurs had this feature including some types of extinct birds. To therefore claim that birds could not be descended from animals with mobile femurs is impossible. To discount the therepods as ancestors of Aves on this basis is completely untenable until a non bird with immobile femurs like modern birds is found which considering that some extinct birds had mobil femurs seems very unlikely.

quote:

ScienceDaily (Feb. 10, 2010) — A new study just published in the Proceedings of the National Academy of Sciences provides yet more evidence that birds did not descend from ground-dwelling theropod dinosaurs, experts say, and continues to challenge decades of accepted theories about the evolution of flight.

K.

This one is also hyped up quite a bit. The issue isn't whether Aves is descended from Dinsuria but whether flight developed from the ground up or from the trees down. We have evidence for both but recent finds are leaning towards the trees down model. As to some dinosaurs possibly being secondarily flightless, it is entirely possible but no compelling evidence exists for such a stand.

A good book on subject, predates the most recent finds, is Dinosaurs of the Air by Paul.

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RE: Birds Of Prey - 4/12/2010 11:12:08 PM   
Kirata


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So, unh, you read a book about this once, eh?

quote:

ORIGINAL: DomKen

To therefore claim that birds could not be descended from animals with mobile femurs is impossible.

Impossible! Wow, I certainly hope you'll inform the Journal of Morphology of this researcher's stupidity and the incompetence of their reviewers.

quote:

ORIGINAL: DomKen

As to some dinosaurs possibly being secondarily flightless, it is entirely possible but no compelling evidence exists for such a stand.

Really! How silly of the Proceedings of the National Academy of Sciences to imagine that these findings were compelling enough to publish.

quote:

ORIGINAL: DomKen

A good book on subject, predates the most recent finds, is Dinosaurs of the Air by Paul.

Yes indeedy it "predates" them. It's eight years old.

Not saying that the final answer is in, but jeez....

K.


< Message edited by Kirata -- 4/12/2010 11:21:21 PM >

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RE: Birds Of Prey - 4/13/2010 7:09:03 AM   
DomKen


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quote:

ORIGINAL: Kirata


So, unh, you read a book about this once, eh?

quote:

ORIGINAL: DomKen

To therefore claim that birds could not be descended from animals with mobile femurs is impossible.

Impossible! Wow, I certainly hope you'll inform the Journal of Morphology of this researcher's stupidity and the incompetence of their reviewers.

This is pretty simple. No non aves animal has an immobile femur therefore somehwere along the path from non bird to bird the femur evolved to be immobile. Therefore birds are descended from animals with mobile femurs.
quote:


quote:

ORIGINAL: DomKen

As to some dinosaurs possibly being secondarily flightless, it is entirely possible but no compelling evidence exists for such a stand.

Really! How silly of the Proceedings of the National Academy of Sciences to imagine that these findings were compelling enough to publish.

quote:

ORIGINAL: DomKen

A good book on subject, predates the most recent finds, is Dinosaurs of the Air by Paul.

Yes indeedy it "predates" them. It's eight years old.

Not saying that the final answer is in, but jeez....

K.


Ruben's argument is based on having to explain characters found in Archaeopteryx and in velociraptor (and cousins). Two possibilities exist. One is that Archy (and the rest of Aves) is an early offshoot of the line that will lead to velociraptor. The other is that Archy (or a close cousin) is ancestral to velociraptor. Which is correct is unknown at the moment and was not the subject of the article in PNAS. The article was a review of research exploring whether flight developed 'trees down' or 'ground up.'
http://www.pnas.org/content/107/7/2733.extract?sid=725b2c52-b650-40ed-8c3d-61cfa694d55e

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RE: Birds Of Prey - 4/13/2010 7:19:23 AM   
GreedyTop


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Status: offline 		Great pic, Butch! 

I had a pair of what I believe I correctly identified as Broad Winged Hawks living next door for a while.  There's a retention pond (good hunting), there.  When we hit a serious dry spell, though, the pond dried up and the hawks left. 

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RE: Birds Of Prey - 4/13/2010 7:32:29 AM   
domiguy


Posts: 12952
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Status: offline 		Great to see our wildlife flourishing in areas that could never be imagined. Falcons bomb diving pigeons on Michigan ave.

Thank God for the groups that are committed to protecting these magnificent creatures. DDT devastated raptors in he sixties and seventies. Remember when Bald Eagles were pushed to the brink?

This is from wiki.....


"In March 2008, The Washington Post reported that documents showed that the Bush Administration, beginning in 2001, had erected "pervasive bureaucratic obstacles" that limited the number of species protected under the act:
From 2001 to 2003, until a U.S. District Court overturned the decision, Fish and Wildlife Service officials said that if that agency identified a species as a candidate for the list, citizens could not file petitions for that species.
Interior Department personnel were told they could use "info from files that refutes petitions but not anything that supports" petitions filed to protect species.
Senior department officials revised a longstanding policy that rated the threat to various species based primarily on their populations within U.S. borders, giving more weight to populations in Canada and Mexico, countries with less extensive regulations than the U.S.
Officials changed the way species were evaluated under the act by considering where the species currently lived, rather than where they used to exist.
Senior officials repeatedly dismissed the views of scientific advisers who said that species should be protected."

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RE: Birds Of Prey - 4/13/2010 6:22:34 PM   
JstAnotherSub


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Status: offline 		awesome pics!  thanks for sharing all of them..



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RE: Birds Of Prey - 4/14/2010 3:29:06 PM   
belladevine


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There are several pairs of falcons that live on top of the buildings in Pittsburgh PA.

Raptors that find a way to survive in a steel city are awesome.

I have these falcons diving on pigeon prey too, absolutely amazing speed!.

They are definetly top predators (in the raptor sector of the animal world).





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RE: Birds Of Prey - 4/15/2010 8:23:26 AM   
Sanity


Posts: 22039
Joined: 6/14/2006
From: Nampa, Idaho USA
Status: offline 		From the Daily Mail:



See the accompanying story here


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RE: Birds Of Prey - 4/16/2010 12:09:01 PM   
Sanity


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There's a falcon in the nest box now, at the time I'm typing this at least, and there may be an egg or two. Hard to tell with the bird sitting where the eggs might be!

I've been noticing that around sunrise there is usually one of the falcons perching on the edge of the nest, and thats around 6:30 mountain standard.

Edited to add, had I read the text below the webcam image on the web page I'd have known thats the female, and there's at least one egg for certain. That means there are going to be birds in the nest from now through midsummer.




quote:

ORIGINAL: Sanity


Yes, thornhappy - here's the cam thats on their nest (works best with Internet Explorer):

http://www.peregrinefund.org/falconcam/#

They're mating right now, which means no eggs yet, but they are hanging around the box a lot, so keep checking back if they're not there the first time you look.

And here's a local news story about the falcons:

http://downtown.kboi2.com/content/falcon-junkies-eagerly-awaiting-arrival-downtown-cam



quote:

ORIGINAL: thornhappy

Hey Sanity, do you guys have local webcams on the peregrines?






< Message edited by Sanity -- 4/16/2010 12:17:00 PM >

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RE: Birds Of Prey - 4/16/2010 12:19:12 PM   
Louve00


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Status: offline 		I've been watching those falcons.  (thanks for the link, Sanity...its been interesting watching them).  Yesterday, around 4:30est, the male bird brought the female bird a little dead bird.  I grinned as she took it and flew off with it.  He watched her go, then went himself lol.  And I peek on them in the morning when I get up.  Its still dark in Boise when I get up, but there's usually at least one bird sitting on the ledge.  Its too dark to tell if the other is still in there or not...and when I don't see either of them there that time of day, I am assuming they already left to start their day. 

I read the little captions about them underneath the video feed.  It said she'd be laying those eggs soon.  Thanks again, Sanity!

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