[CT Birds] mockingbird follow-up

Arthur Shippee ashippee at snet.net
Wed Mar 28 20:44:19 EDT 2012

Another possible factor?  

Where we are, in Whitneyville, Hamden, I've noticed more Mocking Birds in the more densely built areas of houses than in the near-by scrubbier places, and Queens, NY, including Queens College, is full of them.

So, are we missing counting MB populations in more built up areas?  

   Ta!  Arthur 

On Mar 28, 2012, at 7:22 PM, Dennis Varza <dennisvz at optonline.net> wrote:

> Here is a possible habitat change that would be real tough to quantify.
> With increased subdivisions  lots become smaller and more heavily cultivated. By this I mean fewer neglected brushy patches.
> Another interesting trend I noticed as houses become more packed the trees around them become smaller.
> Big oaks and maples give way to birch, cherry and dogwood trees.
> Dennis Varza
> Fairfield
> On Mar 28, 2012, at 6:24 PM, Chris Elphick wrote:
>> Eric proposes a couple of good alternative explanations for changes in
>> mockingbird numbers.  Predator-prey population cycling typically occurs when
>> there is a tightly-linked dependency among one (or a very few) predator species
>> and one (or a very few) prey species.  In contrast, mockingbirds have many
>> potential predators and most things that 

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