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Killing Eagles
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Apr 8, 2021 09:00:21   #
jerryc41 Loc: Catskill Mts of NY
 
Although the bald eagle has shown a dramatic increase in numbers, we are killing them with rat poison. It seems that it's not as simple as the birds catching and eating poisoned rats. The investigation continues.

https://www.newscientist.com/article/2273735-dead-eagles-found-across-the-us-had-rat-poison-in-their-blood/

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Apr 8, 2021 09:17:33   #
tradio Loc: Oxford, Ohio
 
At one point, back in history, we was using an insecticide that was causing thier eggs to have thin shells. I think it was DDT ..maybe?
They are probably getting tired of humans.

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Apr 8, 2021 09:18:19   #
jerryc41 Loc: Catskill Mts of NY
 
tradio wrote:
At one point, back in history, we was using an insecticide that was causing thier eggs to have thin shells. I think it was DDT ..maybe?
They are probably getting tired of humans.


Yes, DDT.

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Apr 8, 2021 15:15:25   #
duffy021049 Loc: Colorado
 
My ? how many Eagles are kill by wind turbines and other birds (CA Condors for one)?

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Apr 8, 2021 16:27:12   #
amfoto1 Loc: San Jose, Calif. USA
 
duffy021049 wrote:
My ? how many Eagles are kill by wind turbines and other birds (CA Condors for one)?


CA Condors don't kill much of anything. They're scavengers and primarily feed on carcasses, same as vultures.

In fact, unless condors are congregating in a sizeable group that's really hungry, eagles will pretty easily chase them off a carcass.

Condors will dominate over other birds, even relatively large turkeys, vultures and ravens. Basically everything except eagles.

Among birds, eagles are pretty much at the very top of the hierarchy.... their biggest threat from birds of any type is from other eagles.

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Apr 8, 2021 17:17:26   #
ricardo00
 
You and others might be interested in recent finding that a bromide containing neurotoxin manufactured by a bacteria is killing eagles, owls, other birds as well as potentially mammals. The bromide may enter the environment via the application of agents used to kill weeds growing in lakes, etc.

https://science.sciencemag.org/content/371/6536/eaax9050

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Apr 9, 2021 07:17:32   #
Canisdirus
 
duffy021049 wrote:
My ? how many Eagles are kill by wind turbines and other birds (CA Condors for one)?


No one wants to talk about that.
Those wind turbines are bird and bat killing machines.

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Apr 9, 2021 07:45:10   #
sb Loc: Florida's East Coast
 
Efforts to poison coyotes has sometimes resulted in eagle poisoning also.

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Apr 9, 2021 09:15:52   #
rplain1 Loc: Dayton, Oh.
 
Canisdirus wrote:
No one wants to talk about that.
Those wind turbines are bird and bat killing machines.


Not nearly as much as other things. Causes of Avian death per year:

Collisions with buildings - 550,000,000
Power lines - 130,000,000
Cats - 100,000,000
Cars - 80,000,000
Pesticides - 67,000,000
Communication towers - 4,500,000
Wind turbines - 28,500
Airplanes - 25,000

Numbers for bats not available. Almost no bats are killed by collision - bats generally don't run into things.
However they are killed by the sudden drop in air pressure near the turbine.

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Apr 9, 2021 09:19:28   #
Canisdirus
 
rplain1 wrote:
Not nearly as much as other things. Causes of Avian death per year:

Collisions with buildings - 550,000,000
Power lines - 130,000,000
Cats - 100,000,000
Cars - 80,000,000
Pesticides - 67,000,000
Communication towers - 4,500,000
Wind turbines - 28,500
Airplanes - 25,000

Numbers for bats not available. Almost no bats are killed by collision - bats generally don't run into things.
However they are killed by the sudden drop in air pressure near the turbine.


I don't doubt we kill them in other ways...
We just have found a new way to do it.
So...green.

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Apr 9, 2021 09:39:22   #
2Dragons Loc: The Back of Beyond
 
When I had horses I used to leave a 3' high bucket, near the stairs going to the loft, baited with a small handful of molasses feed. In the morning there would be anywhere from 2-6 mice in the bucket. I'd give them swimming lessons with gallon of water poured into the bucket. They always flunked. Then I'd throw them out into the woods and the coyotes or whatever came along first, had breakfast. No poison. I also used traps, but the tall bucket with grain always worked best. Some people thought it was a cruel thing to do, but it was better than losing my barn & horses to fire due to mice chewing the wires.

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Apr 9, 2021 10:30:49   #
DirtFarmer Loc: Way too close to New York City
 
tradio wrote:
At one point, back in history, we was using an insecticide that was causing thier eggs to have thin shells. I think it was DDT ..maybe?
They are probably getting tired of humans.


jerryc41 wrote:
Yes, DDT.


There is still some controversy about this. While experimental studies (in the '60s) showed thinning of egg shells in some birds fed traces of DDT, other studies pointed out problems with the original studies. DDT was banned based on the original studies but there is some suggestion that it might be brought back to address malaria issues in some countries today.

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Apr 9, 2021 11:11:18   #
jackm1943 Loc: Omaha, Nebraska
 
jerryc41 wrote:
Although the bald eagle has shown a dramatic increase in numbers, we are killing them with rat poison. It seems that it's not as simple as the birds catching and eating poisoned rats. The investigation continues.

https://www.newscientist.com/article/2273735-dead-eagles-found-across-the-us-had-rat-poison-in-their-blood/


I think there may be at least one adult eagle around here that is getting fat on kitties and puppies. People need to be more careful about letting their little pets loose in their yards.

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Apr 9, 2021 19:37:17   #
TheShoe Loc: Lacey, WA
 
One summer, we had problems with feral cats, many of them. That winter, a female Goshawk wintered in the woods. By spring, there wasn't a feral cat to be found.

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Apr 9, 2021 21:13:03   #
tmehrkam Loc: Houston,Tx
 
Owls love kittens and small cats. We had a ferrel cat colony down the road from us. I saw Owls pick up kittens many times during the walk.

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