North American Fruit Explorers mailing list at ibiblio

["Jackie Jameson" <jacqueline.jameson@gmail.com>]

Here's a good start:

http://www.abcbirds.org/cats/

When on that page, click on the hyperlink in the first paragraph (
Domestic cat predation on birds and other wildlife) and it will open a four page pdf which discusses these  questions.

J

On 2/14/07, Jackie Jameson <jacqueline.jameson@gmail.com> wrote:

Sure, I will look for something and post it.

I think one of the most important points is that the domestic cat is a non-native predator.  There was not a similar predator before the introduction of the domestic cat.  In other words, they aren't filling a niche vacated by an extirminated natural predator.
Predation by the cat has a great impact on already diminished populations.
The other important facts are that the cat is a very effective predator and that the cat will hunt even though not hungry.   Free-roaming cats and feral cats are estimated to be responsible for hundreds of millions of wild bird deaths (rate depends on the area of the country).

Jackie

On 2/14/07, road's end farm < organic101@linkny.com> wrote:

On Feb 14, 2007, at 4:26 PM, Jackie Jameson wrote:

> Go to www.audubon.org and do a search for cats. You'll find all
> sorts or research, information and campaigns addressing this serious
> issue for bird conservation.
>
> Jackie

I've seen a batch of such studies. Do you know if they have anything
addressing the specific issue I raised (below)? Can you link it, if so?
I'm on a slow phone line and it can take me a very long time to hunt
through most web sites.

> On 2/14/07, road's end farm <organic101@linkny.com> wrote:
>>
>> Many areas with a lot of free-roaming cats no longer have most of the
>> original predators who preyed on birds in that area. I don't know if
>> anyone has ever done studies correcting for this factor, to try to
>> determine whether the bird mortality rate from cats is higher than a
>> natural background rate with no cats, but with other bird predators in
>> the area.
>>
>>
--Rivka
Finger Lakes NY; zone 5 mostly

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