Date: 4/15/17 2:44 pm
From: Hilda Flamholtz (via carolinabirds Mailing List) <carolinabirds...>
Subject: Re: eBird reporting
Thanks, Shelley! Got it.

If taking out the backtracking doesn't get you down to 5 miles (I'm not
sure it would) -- what would you all do? Just arbitrarily break it up into
2 lists at some point?

(I think I hear someone saying, "Just don't walk so darn much, Hilda")

Hilda Flamholtz
Columbia, SC

On Sat, Apr 15, 2017 at 1:12 PM, Shelley Rutkin <shelleyr...>
wrote:

> Hilda, when you report distance for eBird, you are not supposed to include
> backtracking. So, it’s not the distance that you walked, but the
> distance that you covered.
>
>
>
> Shelley Rutkin
>
>
>
> *From:* <carolinabirds-request...> [mailto:carolinabirds-request@
> duke.edu] *On Behalf Of *Hilda Flamholtz (via carolinabirds Mailing List)
> *Sent:* Saturday, April 15, 2017 10:33 AM
> *To:* Christopher Hill
> *Cc:* Kent Fiala; <carolinabirds...>
> *Subject:* Re: eBird reporting
>
>
>
> OK - this is good to know. I did a 7 mile Christmas Bird count day that
> was all walking in one park. I hate to think that it didn't count, but
> lesson learned. In this park, there is a central loop around Congaree
> Creek with two tails breaking off the loop. There was some retracing of
> steps to get it all in but not recounting the same birds on those pieces,
> of course. (Timmerman Trail in Cayce, SC) We birded from like 7am to
> 12:30 or 1 in the one park. I think if you put a dot in the center of the
> park - it is definitely not more than 5 miles diameter.
>
>
>
> Should I have just broken it up into 2 time chunks to have less distance
> in each? Or put 5 miles thinking not so much of how much I walked but more
> about the total range of the area?
>
> Thanks,
>
>
>
> Hilda Flamholtz
>
> Columbia, SC
>
>
>
> On Fri, Apr 14, 2017 at 3:18 PM, Christopher Hill <Chill...>
> wrote:
>
> I deleted the specific checklist Kent was responding to, but I will agree
> with him. When looking for areas of Loggerhead Shrike concentrations in
> South Carolina, I have been a bit frustrated by ebird lists that had high
> numbers, but then turned out to be from a 200 mile drive that started or
> ended in another state! The dot on the map had basically no relationship
> to the birds counted. That’s an extreme example, but what Kent says is
> true. Outliers like that get incorporated into maps and other data
> processing and distort the picture.
>
>
>
> Chris Hill
>
> Conway, SC
>
>
>
> On Apr 14, 2017, at 3:05 PM, Kent Fiala <carolinabirds...> wrote:
>
>
>
> This might be a good time to point out that eBird prefers that checklists
> using the "traveling" protocol should cover no more than 5 miles. I believe
> that many people are not aware of this, and are submitting data that cannot
> be used for research purposes. When you cover a longer distance, such as
> the 9.0 miles reported here, eBird asks that you break up the checklist
> into separate checklists covering less distance each. This is explained in
> the eBird help file how to make your checklists more valuable
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__help.ebird.org_customer_en_portal_articles_974012-2Dhow-2Dto-2Dmake-2Dyour-2Dchecklists-2Dmore-2Dvaluable&d=DwMFaQ&c=imBPVzF25OnBgGmVOlcsiEgHoG1i6YHLR0Sj_gZ4adc&r=ymRCw6Q-sBitug_rdeO1Tokz-I_SX2LQN2_Ocvlal9U&m=FW_kFJJJpP09zlYvx0fARTnWrUM6ZWMUahIAsp7UgL8&s=yH54l44IvCe5Hiu1yD5e5Yh3nsxiggNPeftBKZTqijY&e=>
>
> It's a long page so I'll quote just the relevant section:
>
>
>
> Traveling counts have proven to be the most effective type of observation
> for modeling bird populations at large scales. By doing these counts
> birders often detect a good proportion of the birds in a given habitat. It
> is critical, however, that your traveling counts not be too long. Our
> analysts are able to effectively use traveling counts that are ≤5 miles.
> Most birding that is conducted on foot easily falls within this window, but
> traveling counts by car can often be longer. Please consider breaking up
> your long traveling counts into shorter distance ones. It's best if these
> shorter counts are in a relatively consistent habitat, or does not pass
> through habitats that are too different. For example, a logical point to
> break a longer route into segments would be a transition between forest and
> farmland, as the birds found in these two habitat types are vastly
> different. Doing so would make information associated with each location —
> such as vegetation information from satellite images — more informative.
> Plot your location at the center of the area traveled, not at the start
> point or end point.
>
>
>
>
>
>
>

 
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