Nature\'s wonders (Introduction)
I surmise that robins can simply see elecromagnetic fields.-Magnetic iron depoits
Complete thread:
- Nature\'s wonders - 
David Turell, 
2009-08-11, 14:10 
- Nature\'s wonders - David Turell, 2011-02-25, 22:37
 - Nature\'s wonders - 
David Turell, 
2011-03-30, 18:51
- Nature\'s wonders - 
xeno6696, 
2011-03-30, 20:06
- Nature\'s wonders - 
David Turell, 
2011-03-31, 02:56
- Nature\'s wonders - 
xeno6696, 
2011-03-31, 02:59
- Nature\'s wonders - 
David Turell, 
2011-04-27, 18:30
- Nature\'s wonders - 
dhw, 
2011-04-29, 11:02
- Nature\'s wonders - 
David Turell, 
2011-04-29, 14:07
- Nature\'s wonders - 
David Turell, 
2011-05-03, 15:04
- Nature\'s wonders - 
David Turell, 
2011-05-05, 18:16
- Nature\'s wonders - David Turell, 2011-05-18, 21:13
 
 
 - Nature\'s wonders - 
David Turell, 
2011-05-05, 18:16
 
 - Nature\'s wonders - 
David Turell, 
2011-05-03, 15:04
 
 - Nature\'s wonders - 
David Turell, 
2011-04-29, 14:07
 
 - Nature\'s wonders - 
dhw, 
2011-04-29, 11:02
 
 - Nature\'s wonders - 
David Turell, 
2011-04-27, 18:30
 
 - Nature\'s wonders - 
xeno6696, 
2011-03-31, 02:59
 
 - Nature\'s wonders - 
David Turell, 
2011-03-31, 02:56
 
 - Nature\'s wonders - 
xeno6696, 
2011-03-30, 20:06
 - Nature\'s wonders - 
David Turell, 
2011-06-30, 18:27
- Nature\'s wonders - 
David Turell, 
2011-07-01, 18:31
- Nature\'s wonders - 
David Turell, 
2011-08-10, 18:40
- Nature\'s wonders - David Turell, 2011-08-13, 03:07
 
 
 - Nature\'s wonders - 
David Turell, 
2011-08-10, 18:40
 
 - Nature\'s wonders - 
David Turell, 
2011-07-01, 18:31