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<blockquote data-quote="Mannix" data-source="post: 1719935" data-attributes="member: 39854"><p>I had a reply from the RSPB on this. Here is the reply.....</p><p></p><p><span style="color: Blue">Dear Dave,</span></p><p><span style="color: Blue">Technically, it should be one chaffinch. I appreciate you know there</span></p><p><span style="color: Blue">were two birds (of course there could have been more than 2 and probably</span></p><p><span style="color: Blue">were). Because there is no way of knowing for sure, we have this rule</span></p><p><span style="color: Blue">to be consistent across all surveys. I would put one as the answer. I</span></p><p><span style="color: Blue">suspect many people will put two however for the reasons your wife</span></p><p><span style="color: Blue">suggests. </span></p><p><span style="color: Blue"></span></p><p><span style="color: Blue">Fortunately, either answer will be fine - one or two makes no</span></p><p><span style="color: Blue">discernable difference to the overall results. We combine counts from</span></p><p><span style="color: Blue">over a quarter of a million gardens to produce results. If you are one</span></p><p><span style="color: Blue">or two birds out, it won't make a difference. There is just as much</span></p><p><span style="color: Blue">chance others count fewer. Scientifically, these random factors</span></p><p><span style="color: Blue">(alongside weather and time of day) are less important when everything</span></p><p><span style="color: Blue">is combined. And results are compared over many years to produce</span></p><p><span style="color: Blue">results.</span></p></blockquote><p></p>
[QUOTE="Mannix, post: 1719935, member: 39854"] I had a reply from the RSPB on this. Here is the reply..... [COLOR="Blue"]Dear Dave, Technically, it should be one chaffinch. I appreciate you know there were two birds (of course there could have been more than 2 and probably were). Because there is no way of knowing for sure, we have this rule to be consistent across all surveys. I would put one as the answer. I suspect many people will put two however for the reasons your wife suggests. Fortunately, either answer will be fine - one or two makes no discernable difference to the overall results. We combine counts from over a quarter of a million gardens to produce results. If you are one or two birds out, it won't make a difference. There is just as much chance others count fewer. Scientifically, these random factors (alongside weather and time of day) are less important when everything is combined. And results are compared over many years to produce results.[/COLOR] [/QUOTE]
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