What about a table with 200+ big days as well? that would add a few names :)
last week I tried again and got 250 verifiable species, but I’m sure I could get more if I hit some more habitats (this one was almost exclusively forest)
Plankton sampling could get a decent number of species, and different species might be present during the day than at night. I’m not familiar enough with the species or how to do it to know if it’s worth it though.
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As a birder, I am used to Big Day culture, which can be done in teams, competitively, or just individually. I happened in to this previous discussion on the Forum a few days too late to add a comment there, but for reference, here’s that link
https://forum.inaturalist.org/t/inaturalist-big-days/5284
I’d have to check a lot more to ascertain for certain, but I believe my biggest day was Total entries April 26, 2019, during the City Nature Challenge, when there was a morning bioblitz and then I spent the afternoon in entirely different habitats, accumulating over 210 entries. I know I can do better than that.
https://www.inaturalist.org/calendar/gyrrlfalcon/2019/4/26
So I was daydreaming about how to leverage Big Days. For someone like me who is now getting used to garnering 100+ observations on most days of extended time in the field, there are real advantages to surveying tasks and bio-blitzes to having folks who can generate a high number of entries. As was discussed in the previous thread, I try not to repeat a specific species within a day (unless there is a compelling reason, like unexpected presence or other form of rarity).
With birding Big Days, there are some clearly established rules. But the field is so much more complicated with iNaturalist. So I wrote up a longer journal post on some vectors for constructing a variety of Big Day types. Some would work well with Bio-Blitzes; other types could encourage Green naturalizing, and still others could aim to expand a county or regional or park list. Take a look, and comment either here or there.
https://www.inaturalist.org/journal/gyrrlfalcon/28564-some-thoughts-on-inaturalist-big-days
Jennifer, a.k.a. gyrrlfalcon
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@gyrrlfalcon I moved your post to the original topic; feel free to message @moderators if there’s a closed post you want to respond to
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Thanks - did not know that!
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City Nature Challenge is a good place to look for high sp count.
eric_keith on 26th April 2019 712obs 617spp
https://www.inaturalist.org/observations?on=2019-04-26&place_id=any&subview=grid&user_id=eric_keith&verifiable=any
all verifiable
davidnicholls 29th April 2019, 1382obs 539spp
https://www.inaturalist.org/observations?on=2019-04-29&place_id=any&project_id=city-nature-challenge-2019&subview=grid&user_id=davidnicholls&verifiable=any
(not one of them verifiable though)
Haven’t checked out 2018CNC
Here’s an updated table with two new numbers
| Observer | Date | Verifiable Species (as iNat counts them) |
|---|---|---|
| @eric_keith | 26-Apr-18 | 616 |
| @gwark | 13-Jul-18 | 492 |
| @gwark | 3-Aug-19 | 457 |
| @gwark | 15-Jun-18 | 404 |
| @reuvenm | 13-Jul-19 | 386 |
| @anewman | 27-Apr-18 | 384 |
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Someone mentioned using the Calendar but how? I guess I could manually look at each day but that will take a while. I don’t think I’ve ever gotten over 100 species in a day myself.
PS. I think it would be difficult to get many hundreds of species in my area. There may be lots of fungi out during autumn once the rains have come but the invertebrates will be scarce after the dry summer period.
Well, I believe you can get more than a 100 species almost everywhere, you just need both invertebrates and plants, also all birds, reptiles and so on.
Calendar only works as you said, checking days with more observations shown.
ok - I found I got 151 taxa one day last month so that’s about my limit
nice! I found 471 species on the 14th of june 2020
Just got 514 species on Sunday
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When you go out matters greatly. Getting 100 species in my area (North Bay, Ontario) in February (due to the winter and deep snow) would be difficult in a single day, but in July could be done in less than two hours, perhaps even within an hour.
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