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| Spring has arrived http://lbcarchive.co.uk/forum/viewtopic.php?f=3&t=25048 |
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| Author: | Alan Ball [ Sun Dec 11, 2016 3:28 pm ] |
| Post subject: | Spring has arrived |
I'll let you decide whether a brood of day old Mallard ducklings on the River Slea in Sleaford today (11th December) are very early ............. or very late ! Alan |
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| Author: | Roy Harvey [ Sun Dec 11, 2016 6:13 pm ] |
| Post subject: | Re: Spring has arrived |
That is quite an exceptional record Alan! Having worked with ducks for 38 years, my guess is that the mallards concerned have been influenced artificial lighting in the near vicinity which has fooled them into thinking that spring has arrived. Photoperiodism, as it is known, has a much greater influence than temperature on the reproduction of most birds. Regards Roy |
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