I was on St Pete Beach last week and saw a pair of each dove species within 500 feet.  I felt lucky, but now you have me thinking "invasive".  Interesting to consider it all. 

> On Dec 21, 2016, at 4:23 PM, Robert Evans <[log in to unmask]> wrote:
> 
> From personal experience, Eurasian collared doves do indeed appear to have
> displaced native doves in certain areas. My own observations from the area
> around Fernandina Beach, FL, back in the 90s, was that no mourning doves
> were around, yet there were dozens of collared doves in the area where our
> research vessel was ported, a mile inside the sea buoy. (The extreme
> northeastern corner of Florida.) These were actually my "lifer" Eurasian
> collared doves. (I count them - personal rules.) I found this interesting,
> since mourning doves were present in other fairly nearby locations, down
> closer to Jacksonville, in Duval County.
> 
> I was left with the impression that the two species do not really coexist
> well, although I have no quantitative data to back that up, only
> qualitative personal impressions. Perhaps when a local population of
> collared doves becomes well-established it does not bode well for nearby
> mourning doves.
> 
> Bob Evans
> Geologist, etc.
> Hopewell Township, Muskingum County
> 
> 
> On Wed, Dec 21, 2016 at 4:04 PM, Kathi Hutton <[log in to unmask]>
> wrote:
> 
>> Steve:
>> The House Sparrow vs bluebird comparison is a no-brainier, as HOSP
>> aggressively compete with bluebirds for nesting cavities. According to the
>> link in the original post, ECDO were not thought to be negatively affecting
>> native species. That article was from 2014, so things may have changed
>> since.
>> 
>> Curiously,
>> Kathi
>> 
>> Sent from iVan II, my iPhone
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