Natures Wonders; bird migration

That is a very interesting article! Thank you for sharing!

Complete thread:

Natures Wonders David Turell 2011-08-14, 01:12 AM
- Natures Wonders Balance_Maintained 2011-08-15, 12:19 PM
  - Natures Wonders-Nanomotors David Turell 2011-08-15, 01:50 PM
    - Natures Wonders-Nanomotors David Turell 2011-08-20, 01:24 PM
      - Natures Wonders- David Turell 2011-09-13, 05:02 PM
        
        Natures Wonders- David Turell 2011-09-14, 05:09 PM
        
        Natures Wonders- David Turell 2011-09-15, 04:15 PM
        
        Natures Wonders- David Turell 2011-09-17, 01:35 AM
        
        Natures Wonders- David Turell 2011-09-19, 05:11 PM
        
        Natures Wonders- David Turell 2011-09-19, 05:15 PM
        
        Natures Wonders- David Turell 2011-09-19, 07:29 PM
        
        Natures Wonders- David Turell 2011-09-22, 09:50 PM
        
        Natures Wonders- David Turell 2011-09-29, 02:37 PM
        
        Natures Wonders- David Turell 2011-10-28, 02:30 PM
        
        Natures Wonders- David Turell 2011-10-30, 01:25 AM
- Natures Wonders David Turell 2011-08-24, 02:04 AM
  - Natures Wonders George Jelliss 2011-10-30, 10:21 AM
    - Natures Wonders dhw 2011-10-30, 06:02 PM
      - Natures Wonders David Turell 2011-10-30, 06:35 PM
        
        Natures Wonders dhw 2011-10-31, 02:27 PM
        
        Natures Wonders David Turell 2011-10-31, 02:42 PM
        
        Natures Wonders for Halloween David Turell 2011-10-31, 05:18 PM
        
        Natures Wonders- living fossils David Turell 2011-11-03, 02:35 PM
        
        Natures Wonders- oxygen physiology David Turell 2011-11-08, 05:37 PM
        
        Natures Wonders- living fossils David Turell 2017-11-13, 05:56 PM
        
        Natures Wonders: noisy wing insects David Turell 2017-11-13, 07:43 PM
        
        Natures Wonders- living fossils dhw 2017-11-14, 12:13 PM
        
        Natures Wonders- living fossils David Turell 2017-11-14, 03:15 PM
        
        Natures Wonders- living fossils dhw 2017-11-15, 12:55 PM
        
        Natures Wonders- living fossils David Turell 2017-11-15, 02:27 PM
        
        Natures Wonders- living fossils dhw 2017-11-16, 01:34 PM
        
        Natures Wonders- living fossils David Turell 2017-11-16, 03:33 PM
        
        Natures Wonders- living fossils dhw 2017-11-17, 02:45 PM
        
        Natures Wonders- living fossils David Turell 2017-11-17, 05:46 PM
        
        Natures Wonders- living fossils dhw 2017-11-18, 12:48 PM
        
        Natures Wonders- living fossils David Turell 2017-11-18, 03:15 PM
        
        Natures Wonders- living fossils Balance_Maintained 2017-11-18, 06:24 PM
        
        Natures Wonders- living fossils David Turell 2017-11-18, 07:25 PM
        
        Natures Wonders- living fossils dhw 2017-11-19, 02:17 PM
        
        Natures Wonders- living fossils David Turell 2017-11-19, 03:08 PM
        
        Natures Wonders- living fossils dhw 2017-11-20, 01:42 PM
        
        Natures Wonders- living fossils David Turell 2017-11-20, 03:22 PM
        
        Natures Wonders- living fossils dhw 2017-11-21, 02:15 PM
        
        Natures Wonders- living fossils David Turell 2017-11-21, 03:03 PM
        
        Natures Wonders- living fossils dhw 2017-11-22, 01:26 PM
        
        Natures Wonders- living fossils David Turell 2017-11-22, 03:02 PM
        
        Natures Wonders: travelling ants can't be fooled David Turell 2017-11-24, 12:46 AM
        
        Natures Wonders: turtle hibernation David Turell 2017-11-26, 01:55 AM
        
        Natures Wonders: torpor David Turell 2021-12-30, 07:39 PM
        
        Natures Wonders: torpor in lemur monkeys David Turell 2021-03-12, 11:17 PM
        
        Natures Wonders: bats protect forests from insects David Turell 2022-11-01, 10:01 PM
        
        Natures Wonders: Sea bird migration David Turell 2023-12-22, 03:32 PM
        
        Natures Wonders: a bat migration David Turell 2024-11-29, 09:02 PM
        
        Natures Wonders; ant repellent David Turell 2011-11-23, 03:31 PM
        
        Natures Wonders;under water web David Turell 2011-11-23, 03:47 PM
        
        Natures Wonders;fibers at low energy cost David Turell 2011-11-24, 04:41 PM
- Natures Wonders; bivalve strength David Turell 2011-11-14, 04:19 PM
  - Natures Wonders; bird migration David Turell 2011-11-16, 03:33 PM
    - Natures Wonders; bird migration DragonsHeart 2011-11-16, 03:41 PM
    - Natures Wonders; monarch migration David Turell 2011-11-25, 08:16 PM
      - Natures Wonders; brilliant corvids David Turell 2011-11-30, 03:02 PM
        
        Natures Wonders; toads? David Turell 2011-12-02, 05:33 PM
        
        Natures Wonders;cells fight infections David Turell 2011-12-06, 09:07 PM

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Natures Wonders; bird migration (Introduction)