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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

1st Rufous 2009 (1 Viewer)

Is this about the same time as normal, Chris?
I'm putting out my feeder tomorrow.
 
Yeah ------ kinda. Always some early (birds) and a later main group. I think the blast north to Alaska and other places are all separate ---- and perhaps separate populations and migrations. The JOURNEY NORTH website is doing some science on this. My ideas mean nothing and are anecdotal ---- but this (to me) is quite a frontier and worthy of a Master's or PHD.............
 
Thanks, I'll have a look at that website, sounds interesting.
 
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