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Observer

coreyjlange

Date

September 20, 2023 12:53 AM PDT

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Observer

coreyjlange

Date

September 4, 2023 11:54 PM PDT

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macachelsea

Date

February 8, 2024 08:08 AM MST

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arthropodantics

Date

April 14, 2023 05:08 PM MST

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Observer

eric_hough

Date

August 3, 2012 01:57 AM MST

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What

Devil Scorpions (Family Vaejovidae)

Observer

macachelsea

Date

April 19, 2023 11:26 AM MST

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caiawatha

Date

May 13, 2023 07:32 PM MST

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What

Devil Scorpions (Family Vaejovidae)

Observer

reid83

Date

March 2023

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Observer

behendrixson

Date

April 2023

Description

Finally! Found 4 females, no males.

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Observer

mason_s

Date

April 8, 2023 06:06 PM MST

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adamo_jw

Date

April 10, 2023 03:07 PM PDT

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What

Sawfinger Scorpions (Genus Serradigitus)

Date

July 2018

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brite-ny

Date

September 5, 2022 01:25 PM MDT

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Observer

prakrit

Date

July 2021

Description

P. hirsutipes have long been a subject of confusion, in large part due to errors in their original description. The so-called adult females he based the description off of are actually juveniles. The adults are twice as large, similar in size to typical mid-sized Paruroctonus such as P. baergi, P. silvestrii, or P. boreus. This, along with their long pectines, contradicts the hypothesis of them being a part of the P. borregoensis group. Instead, they seem slightly more reminiscent of P. baergi / arenicola, although adults look quite strange and very unlike any other California Paruroctonus.

slide 1-2: Juvenile male
slides 3-4: Juvenile female
slides 5-6: Right basitarsus and telotarsus III of juvenile male and female respectively showing 9-10 basitarsal superiomedian macrosetae (blue) and 6 telotarsal retrosuperior macrosetae (red)
Slides 7-8: Adult male and adult female respectively, collected at an alternate locality further to the north by @meandthealiens

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What

Striped Bark Scorpion (Centruroides vittatus)

Observer

jugbayjs

Date

September 10, 2021 01:16 AM EDT

Description

Form pantheriensis. Very similar pattern to C. sculpturatus, but that species has only been found as far east as El Paso in TX. Fifth metasomal segment often has some telltale darkening never found on sculpturatus, which can be seen on individual referenced below.

This is a poor image, a much better one of the same individual is here:
https://www.inaturalist.org/observations/95097239

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Observer

rwmendez3

Date

June 2022

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Observer

carlakish

Date

September 30, 2022 10:31 AM MST

Description

Ponderosa pine/juniper/oak forest vic. of Tonto Creek.

Never seen scorpions up here before. In fact I was always under the impression they did not survive up here!

Is it a juv? sex??

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Observer

froggy143

Date

February 17, 2023 05:17 PM MST

Description

Sorry for the poor quality photos

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What

Scorpions (Order Scorpiones)

Observer

taytay1323

Date

December 27, 2022 02:53 PM MST

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swindsor

Date

September 19, 2022 10:32 PM MDT

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johnklymko

Date

October 30, 2022 06:10 PM MST

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johnklymko

Date

October 30, 2022 06:20 PM MST

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What

Bark Scorpions (Genus Centruroides)

Observer

andrealeito

Date

September 12, 2018 07:18 AM CST

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prakrit

Date

May 2021

Description

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darwin1

Date

April 9, 2021 05:21 PM MDT

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What

Arizona Smoothclaw Scorpion (Diplocentrus spitzeri)

Observer

suecar

Date

August 4, 2022 08:14 PM MST

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micrathene

Date

October 26, 2007 10:18 PM MST

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kragadox

Date

July 6, 2022 10:48 PM PDT

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pstr

Date

June 30, 2022 11:20 PM MST

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Observer

pstr

Date

June 30, 2022 11:41 PM MST

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What

White-tipped Dove (Leptotila verreauxi)

Observer

andrewcore

Date

April 30, 2022 09:00 AM MST

Description

1st for Arizona, found yesterday. Pix are terrible but audio conclusive

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What

Devil Scorpions (Family Vaejovidae)

Observer

jeffheard

Date

February 18, 2021 03:25 PM EST

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What

Common Black × Red-shouldered Hawk (Buteogallus anthracinus × Buteo lineatus)

Date

February 2022

Description

This is a Common Black Hawk x California Red-shouldered Hawk. Not sure how to get this as the ID.
Known offspring of the Common Blackhawk that lived here for 15 years.

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Observer

mhedin

Date

July 26, 2021 01:27 PM PDT

Description

under stone, rich mixed forest

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alexanderprice

Date

July 8, 2021 02:40 PM HST

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kyle_klotz

Date

March 2018

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Observer

the_kaleu

Date

September 25, 2021 10:50 PM PDT

Description

I'm fairly certain that this scorpion is Smeringurus aridus. In appearance, this particular example was noticeably large, being by my approximation slightly larger than most adult male mesaensis I've encountered. When I first discovered this individual, it was extending its pedipalps from a shallow burrow. I carefully excavated the surrounding area and gently removed the scorpion from its burrow to examine in more detail.

The weak scalloping of the fingers very closely resembled illustrations depicting S aridus. There appear to be 26 denticles in the sixth row of the fixed finger. I placed plastic wrap over the scorpion and took the included picture of its genital papillae. It's not quite as pronounced as I would have thought, but appears almost identical to the papillae of the Smeringurus vachoni immanis that I came across later in the night, and have also included a picture of. Although not particularly relevant, I also included a single image of the genital operculum of a Smeringurus mesaensis male just for comparison's sake. If you are not certain which one is which, I watermarked the lower left corner of those images with the species name being depicted.

I was feeling fairly fancy that night and decided to bust out my new-fangled mobile photo studio. If you knew what it was actually made of you'd probably have a good laugh at how ridiculous it is, but it was such a pain in the ass to set up that I took a lot of pictures to offset the effort. I hope you'll excuse me for it, lol. This was the only adult male I found that night, so that is why it received special treatment in particular. Now that I have reviewed the pictures produced from my mobile "photo studio" ($4 home depot drop cloth) and I'm happy with the results, I will now keep it set up in my trunk for future use.

I ended up in this particular area after being swarmed by some kind of cicada-like insect at the original spot. I'm obviously not afraid of bugs, but spending half an hour with hundreds of tiny insects constantly crawling all over my skin took its toll on me, not to mention I couldn't even take any photos because the scorpions were chased off by the horde constantly flying into them. I drove around for a while and took a wrong turn and got lost. I eventually ended up in this location where the aridus was found. I can confirm the location is accurate because because I had used GPS to pin where I parked my Jeep. An interesting fact about this locale in particular is that a majority of the surrounding hills are largely featureless and devoid of vegetation. There are little to no rocks or debris for the scorpions to hide amongst, and so the hillside was littered with active burrows. The soil was very soft, which likely accounted for the high density of these burrows. The visibility was amazing, and I found an absolute treasure-trove of other Smeringurus aridus of different sexes and instars, as well as a few Serradigitus joshuaensis hiding in the cracks and pits in the hillside. It is worth noting that although the initial trail which leads into Smoke Tree Wash can be driven on normally, it quickly becomes a very deeply sandy trail which is traversable only by a 4WD vehicle. It is however relatively close to the trailhead, so I imagine those of us without 4x4 could easily walk to this location. It would have added to the mystique if I had found aridus somewhere deep in the wilderness, but I think it's better this way, don't you think? If you're looking for aridus and found any of the info here to be useful, please leave a comment on this post, I would really appreciate it!

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Observer

the_kaleu

Date

October 2, 2021 10:33 PM PDT

Description

Beautiful hairy creature

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What

Borrego Sand Scorpion (Paruroctonus borregoensis)

Observer

the_kaleu

Date

October 2, 2021 09:04 PM PDT

Description

I gave my trunk photo studio another run. It's kind of a pain to use, so I only used to take white backdrop pictures of three P luteolus, three P borregoensis borregoensis and a single S mesaensis. I'll post all of those later once I'm not feeling so brain damaged from pulling that all-nighter yesterday. I do have to say that the highlights are completely out of control in these images, but I have a plan for whenever I have to take pictures of similarly shinny scorpions in the future.

This scorpion is a large female, and the largest of the night. There was such a ludicrous number of S mesaensis that I was starting to think I'd never find any Paruroctonus. These scorpions are way smaller than I had anticipated they'd be, but the moment I saw this individual under my flashlight I automatically knew that it wasn't mesaensis. Later in the night I found two adult males featuring prominent scalloping so I knew I had luteolus without needing to confirm it otherwise. These borregoensis group scorpions are now one of my absolute favorites. They are so incredibly docile that I simply picked them up with my hands like I would Catalinia or Superdons with no fear of being stung. At a certain point I began flipping them over to look at their pectines without even using the plastic trick. It really made taking pictures of them totally stress free.

I put a pin on my GPS to mark the scorpion's original location and returned it there once I was done taking pictures.

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Observer

ivanparr

Date

March 2015

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Observer

temminicki

Date

August 4, 2021 09:31 PM PDT

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Observer

ifimeetnature

Date

May 1, 2021 06:02 PM PDT

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What

Russell's Scorpion (Chihuahuanus russelli)

Observer

stshank

Date

August 2, 2020 07:45 PM HST

Description

Found dead in the (rarely used) food processor bowl! About 1.5cm long. I'm not expert but one expert says Family Vaejovidae for sure and thinks maybe lesser stripetail scorp (Chihuahuanus coahuilae). https://twitter.com/crawlycreepy/status/1290125259329253376

Photos / Sounds

What

Scorpions (Order Scorpiones)

Observer

tom-kirschey

Date

March 8, 2020 08:52 AM WIB

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twillrichardson

Date

August 22, 2020 09:17 PM PDT

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amendia7

Date

April 10, 2021 11:17 AM PDT

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jonhakim

Date

March 2021

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naturenate

Date

June 16, 2021 09:41 PM PDT

Description

Only one adult seen. Searched for 2 hours

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kjmcwest

Date

April 10, 2021 09:53 PM EDT

Description

Need to get this critter under the 'scope!

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micah_riegner

Date

March 28, 2021 09:42 PM MST

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What

Sawfinger Scorpions (Genus Serradigitus)

Observer

uncle_iroh

Date

April 2, 2021 09:44 AM MDT

Description

~2.2 cm

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Observer

coreyjlange

Date

March 2, 2021 06:41 PM CST

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What

Devil Scorpions (Family Vaejovidae)

Observer

uncle_iroh

Date

March 13, 2021 11:36 AM MST

Description

~11mm

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Observer

damontighe

Date

February 28, 2021 11:48 AM PST

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What

Yellow Devil Scorpion (Paravaejovis confusus)

Observer

boazsolorio

Date

March 3, 2021 08:27 PM MST

Description

Cannibalizing on another scorpion, presumably the same species. I flipped this scorpion under the same rock as the previous observation.

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What

Devil Scorpions (Family Vaejovidae)

Observer

boazsolorio

Date

March 3, 2021 08:27 PM MST

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naturenate

Date

July 2, 2020 03:24 PM MDT

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naturenate

Date

July 18, 2020 09:15 AM MDT

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Observer

ivanparr

Date

October 31, 2020 02:49 PM PDT

Description

Hybrid between variabilis and silvestrii?

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What

Sawfinger Scorpion (Serradigitus gertschi)

Observer

willly

Date

March 30, 2020 12:35 PM PDT

Description

Found this tiny dead scorpion on the bristles of an unused toothbrush in my hall closet. Not sure how it got in or what kind of scorpion.

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Observer

cbotz

Date

September 5, 2020 10:35 PM PDT

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kylegunther

Date

April 15, 2017 06:39 PM PDT

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steviekgold

Date

April 30, 2016 10:14 AM PDT

Description

Found under a metal sheet. Likely a dead male (?) tucked near the lizard.

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screws

Date

March 25, 2011

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prakrit

Date

May 21, 2019 06:22 PM PDT

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pwhyder

Date

August 1, 2020 10:56 PM PDT

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entomo-logic

Date

April 15, 2020 10:17 AM MDT

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What

Lesser Stripetail Scorpion (Chihuahuanus coahuilae)

Observer

jasonk03

Date

June 25, 2020 02:26 PM MDT

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What

Striped Bark Scorpion (Centruroides vittatus)

Observer

ellard

Date

June 21, 2020 09:16 AM CDT

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entomo-logic

Date

May 27, 2020 06:24 AM MDT

Description

Female above and male below.

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merav

Date

June 3, 2020 09:46 AM PDT

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What

Beck's Desert Scorpion (Paruroctonus becki)

Observer

o6hyundaitucson

Date

May 25, 2020 03:26 AM PDT

Description

Found in sagebrush. Several similarly sized northern scorpions (Paruroctonus boreus) present but this one and several others like it are very different visually.

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What

Eastern Sand Scorpion (Paruroctonus utahensis)

Date

May 19, 2020 10:19 PM MDT

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What

Dune Scorpion (Smeringurus mesaensis)

Observer

saguaro

Date

May 23, 2020 10:26 PM MST

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Observer

brandonh1

Date

October 11, 2014 03:09 PM EDT

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julion1

Date

May 14, 2017 03:04 PM PDT

Description

Found under a piece of wood in a burn pile that was being moved. From end to end [whole animal] was around 4cm

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Observer

merrikbush

Date

February 17, 2020 02:57 PM PST

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What

Scorpions (Order Scorpiones)

Observer

shaunmichael

Date

May 2020

Place

Texas, US (Google, OSM)

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Observer

mhedin

Date

May 2, 2020 10:11 PM PDT

Description

photographed in situ, mud/clay banks, 365/395 nm UV light + LED

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What

Dune Scorpion (Smeringurus mesaensis)

Date

April 2020

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What

California Common Scorpion (Paruroctonus silvestrii)

Observer

nickstein

Date

September 15, 2017 10:25 AM PDT

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claynoss

Date

July 27, 2011 07:31 AM PDT

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What

California Common Scorpion (Paruroctonus silvestrii)

Observer

graysonnance

Date

March 30, 2020 08:57 AM PDT

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Observer

kmontana

Date

April 4, 2020 01:52 PM PDT

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What

Dune Scorpion (Smeringurus mesaensis)

Date

March 2020

Photos / Sounds

Date

June 26, 2019 09:14 PM CDT

Description

Por la noche, buscando presas

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What

Western Forest Scorpion (Uroctonus mordax)

Observer

sandor_in

Date

February 22, 2020 12:44 PM PST

Description

This little scorpion was found under a brick.

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What

California Swollenstinger Scorpion (Anuroctonus pococki)

Observer

ryruther

Date

March 2, 2013 03:42 AM EST

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What

Sei Whale (Balaenoptera borealis)

Observer

moniker_r5

Place

Missing Location

Description

Off Of Newport coast.

Photos / Sounds

What

Scorpions (Order Scorpiones)

Observer

asad0316

Date

November 19, 2017 04:46 PM CST

Description

This scorpion has a dark scaled stomach to it. it has lines that go across the stomach. The rest of the body has a lighter color.

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Observer

naturenate

Date

July 31, 2019 12:03 AM MDT

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What

Western Forest Scorpion (Uroctonus mordax)

Observer

alison_pollack

Date

December 14, 2019 09:49 AM HST

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Observer

socaloutdoors

Date

November 24, 2019 02:50 PM PST

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Observer

wildlife77

Date

November 27, 2019 02:29 PM MST

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What

Toothed Scorpions (Genus Diplocentrus)

Observer

moebus

Date

November 9, 2019 09:15 AM +14

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Observer

cesdamess

Date

November 6, 2019 02:48 AM HST

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What

Toothed Scorpions (Genus Diplocentrus)

Observer

juanfranmaq

Date

November 7, 2019 10:36 PM EST

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What

Goose-beaked Whale (Ziphius cavirostris)

Observer

micrathene

Date

November 3, 2019 10:20 AM MST

Description

2 individuals a presumed female and calf. Same individuals as https://www.inaturalist.org/observations/35341592 and https://www.inaturalist.org/observations/35436683