Re: [cobirds] Eurasian C-Dove expansion

another even more dramatic (and more detailed) visualization of the change is via the range maps on eBird's Explore Data page:

http://ebird.org/ebird/map/

Type in the species' name, select the span of years to look at, and zoom in to your area of interest.

David Suddjian

Littleton, CO

On Sun, Jul 20, 2014 at 8:32 PM, Bob Righter <rorighter@earthlink.net> wrote:

Hi all

For a dramatic visualization of how fast the Eurasian C-Dove has spread across the country look at the older Sibley (2000, pg 256) showing the range map as just located in the extreme SE US with a few dots here and there, with CO with just one dot, then compare to the second edition's (2014, pg 260) the range map  now shows the lower 48 all filled in, except for the greater NE section of the country. One can only assume what the next edition's Eurasian C-D range map will look like. Wow, that was a fast and thorough invasian.

Bob Righter
Denver CO

Sent from my iPad

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