Questions tagged [species-identification]

Questions looking to find the name of a specific organism. Please include as much information as possible on location/habitat, size/characteristics and behavior. Ideally, you should provide images.

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What is this freshwater microorganism?

Can anyone help us identify this microorganism? Location: muddy pond water in the Santa Monica Mountains. Size: For size reference, I think that's a euglena on its lower left. Behavior: It was moving ...
1 vote
1 answer
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Are these little white fuzzy insects "scale"? What species and what is their lifecycle like?

These appeared on three small, similar houseplants I bought about a month earlier at a nursery. There were dozens. I physically removed a few and just pruned stems that had many, and put the clippings ...
1 vote
1 answer
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Biological Key for Yard Weeds?

I'm tinkering with an idea for an app to identify yard weeds, just as a personal project. I've been looking for some sort of dichotomous key (ie, "Does it have fur?" "Does it have ...
1 vote
1 answer
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Found a bug looks like a true bug but it has a mowhak

It looks strange found it today what is it?
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Please help ID this possible fish skull

Found on the shoreline of a tributary of the upper part of the Chesapeake bay in Maryland: [![enter image description here][1]][1] More pictures: https://photos.app.goo.gl/Cg8t4Ttsde4oDDDg7 ...
7 votes
1 answer
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Identification: creepy dangling spiderthing

Can anyone identify this creepy mess dangling from the cieling of my garage on a few strands of spidersilk? The thing is 5cm. Should I burn down my garage and move to another country (Currently ...
4 votes
2 answers
152 views

Is this poison ivy?

Location: Sunny, dry, well-drained yard. East of Toronto, Ontario. Date: August 2, 2022 Description: Three leaves, new leaves are oily and reddish, woody stem, vine crawls along ground Hint: It's ...
32 votes
1 answer
6k views

Are these microscopic star-like structures on a dead leaf some sort of organism? If so, which one?

I’m wondering what these star-shaped organisms are on a dead leaf I found in my backyard (Texas, USA). This was taken under my microscope at 40x magnification. They seem to be clear organisms with ...
5 votes
1 answer
169 views

Are These Oyster Crabs?

I found these crabs at the end of September, 2018. My family was vacationing on the coast of Lopez Island in the Pacific Ocean off of Washington State. I have been trying to figure out what they are ...
2 votes
2 answers
196 views

What type of ants are these?

I live in NYC and these fellas started popping out near my computer screen and desk. They don't seem interested in food as my sister usually leaves candy wrappers around. They however are stinky, I ...
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1 answer
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What species is this white thin shell? Santa Cruz, California

These shells (see in green circle) are empty inside which look like very flat marble donuts/coins. The small ones are like dollar coins; big ones can be cup coaster-sized. It has beautiful five-fold ...
3 votes
1 answer
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Identification by tail feather

I saw the remains of a bird today I did not recognize, and it was pretty mangled so it was hard to describe it. It was about the size of a robin. However, it had a dark brown mottled body like nothing ...
15 votes
1 answer
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Can anyone ID this microorganism?

I found this microorganism in a wet moss sample taken from my backyard in Richmond, Virginia (USA). I took some pictures of it at 40x, 100x, and 250x. I'm not entirely sure what it is, but I think it'...
2 votes
1 answer
305 views

What is this large insect?

A large (body about 4 cm long) flying insect flew into my workshed when it was very dark, warm and humid outside, probably attracted by the lights. It fell onto the bench upside down and could not ...
4 votes
1 answer
622 views

What are these small, indoor bugs?

I live in Switzerland and have noticed these small bugs appear in my bedroom, either slowly crawling on the parquet flooring, lazily buzzing around or dead on my windowsill (as pictured): I'm not ...
2 votes
0 answers
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What bird is singing at almost 3 AM in Hong Kong? (recording included)

I live in Hong Kong and there’s a bird around my street that sings around 3 AM, when there isn’t the slightest bit of twilight. I have recorded its song here: https://youtube.com/shorts/0dBNvPAgLmU?...
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Seed looking bugs? South Florida

They look like seeds and have no legs. Lots of rain and colder weather recently. Nothing on our mattresses and mainly in kitchen and living room. Came out of nowhere.
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What kind of skull is this - fish?

Skull found near Merrimack River, West Newbury, MA frequented by Eagles, Hawks. Some kind of fish maybe? It's about the size of a hand
8 votes
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Help identify parasitic plant on oak seedling

See pictures below. I found five of them on a patch of oak seedlings in northern Turkey yesterday, they are about 2 centimeters in diameter and smell like grass. I tried PlantNet and Google Lens ...
1 vote
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29 views

Can someone help me identify what type of spider or insect builds a green nest that is black an gold [closed]

I had the same thing a spider like creature that was black and gold the size of a dime that was building a green sack like web that stuck to the windshield. Location south texas winter, any supspects?
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What are these white, fuzzy dome-shaped contaminants growing on my LB agar plate?

We are attempting to extract bacteriophages from environmental samples. We recently had an issue with an unknown contaminant when trying to grow a lawn of M abscessus for a bacteriophage isolation ...
5 votes
1 answer
2k views

How to correctly and accurately identify a few species of trees from their leaves?

I want to identify a tree from one of the 12 species listed based on observing their branch and leaves. Is there quick and neat way to do it? Red Oak, White Oak, Red Maple, Striped Maple, Tulip ...
3 votes
1 answer
152 views

Is this a nymph of a Zelus renardii or Zelus luridus?

My mom found this insect on one of her plants, and she would like to know what it is and whether it is dangerous or harmful. I've done some research and I think it is a nymph of a Zelus renardii, but ...
3 votes
1 answer
156 views

What animal is this? Caution, GRAPHIC!

One of my friends stumbled upon this half part of an animal. It seems lizard-like...I don't think I've ever seen a lizard that large, though. We live in Greece. Can you figure it out? Close-up and a ...
8 votes
1 answer
143 views

What insect is this case from?

I found this insect case in my garden in the south of Melbourne (Australia), on concrete under some dried leaves of a tree that I'd cut down. It is 8 cm long, which is pretty big for an insect! The ...
5 votes
1 answer
138 views

What are the white eggs growing from a black stem on the Napa cabbage plant?

Are they fungal or eggs? Can't find anything like this in the internet Location: South Florida
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Tiny black mushrooms growing from veggies? [duplicate]

I've found these tiny black mushrooms sprouting from my scallions. I'm in Salt Lake, UT, but the scallions are store-bought, so I'm not sure where they're from or where they've been. Anyone know what ...
2 votes
1 answer
188 views

Identification: tall conifer with tamarisk-like leaves

I am looking to identify a conifer that I found in a public park. Please see below for pictures of the leaves, bark and habit (click for full-size view). I normally use Pl@ntNet for identification, ...
5 votes
1 answer
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Small black slow-moving insect showing up in the home

In the past few weeks (winter) I've started to notice these insects crawling about various places of the home. Slow-moving like a beetle. Black all over. Hard to see but they have two prongs sticking ...
1 vote
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Identification of a Tettigonia specimen

At least I think it is a Tettigonia sp. but I have problems identifying it exactly because it is still a nymph. OK, it is a female, that is hard to overlook, but is it T. cantans (my guess) or T. ...
4 votes
1 answer
2k views

Is this a bed bug? I found it crawling on me in hotel bed

Is this a bed bag? It doesn't have the stripes that I saw in other pictures. I'm traveling and for 5 days I was sleeping in different hotel rooms. What should I do if it is. I searched the bed and ...
1 vote
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Texas butterfly with dull underwings, but blue/purple on overwings

I was walking in the grass near the Trinity Trail in Fort Worth, Texas about two weeks ago, and saw these tiny purple streaks flitting about at mid-calf level that turned out to be butterflies. I ...
1 vote
3 answers
114 views

Trying to identify a Spider found in rural Missouri, USA

I am trying to identify this spider found indoors in a rural area near Kansas City, Missouri. I cannot recall seeing one like it in my 14 years of living here but I have now found 3 inside in the past ...
0 votes
1 answer
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Difference between Sphyraena obtusata and Sphyraena novaehollandiae

"Striped barracuda" is the common name for both Sphyraena obtusata and the Sphyraena novaehollandiae. Here's links to both fish species from fishesofausralia.net: S. novaehollandiae and S. obtusata ...
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1 answer
146 views

What is the name of this insect?

This insect was found in my garden in India on the evening of August 07, 2019. It's rainy season here.
2 votes
1 answer
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Can someone help me identify this caterpillar?

I was in Colorado Springs in mid-October when I noticed something floating in front of my face. I tried dodging it, but it landed on my sunglasses. When, I initially saw it, it was attached to a ...
1 vote
1 answer
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How difficult is it to determine species by a single tooth?

I saw a U-Haul truck with a sign about the Gray Fossil site in Tennessee. The U-Haul specifically mentioned a red panda being found at the site, so I googled "gray fossil site red panda". ...
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What snake is this (New Delhi, India)?

This snake was found on the 4th floor of an apartment building in New Delhi, India. Approximate dimensions were: Length: 2'/60cms Diameter: 2cm (max) It was really quick and speedy, tried to hide ...
-1 votes
1 answer
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Bone found on uk beach

I found this bone on a uk beach. Looks like a hip or shoulder. It has saw marks in so didnt die of natural causes. Anyone know what its from? Maybe cow or pig
-1 votes
1 answer
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What kind of bug is this? I’m not sure if it’s a cockroach

Found this bug in my home. Is this a roach?
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63 views

Odd bugs in terrarium. Harmful?

I noticed these bugs in my terrarium, there is a springtail in the photo for size reference. I've seen 3 or 4 so far, I'm worried about it out-competing my springtails or possibly being a parasite ...
1 vote
1 answer
134 views

What's this bug that is pretending to be an ant?

I found a bug with a yellow banding in the South of France. At first I thought it was an ant, and then it appeared to be a related to a cricket. What type of bug is it?
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Black flying bug infestation

What is this black bug in my house. There is literally an infestation. They are everywhere. The size of a small tick. They fly and just keep coming. Im from pakistan, lahore. I've never seen these ...
1 vote
1 answer
107 views

What is this small creature on the bottom of this leaf?

This first one appears to have been flattened by the slide cover. This one is not flattened. Probably like .2/.3 mm in size. All of them seem dead because they are doing nothing. All on the underside ...
5 votes
2 answers
2k views

Species identification - what kind of worm is this?

I am finding these worms in my bathroom since summer arrived. I have been finding these on floor, walls and damp towel I left hung overnight in bathroom couple of times. When these worms are squished, ...
2 votes
0 answers
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Please help me identify this tree/fruit. Is it edible?

When free, could the experts here please help me identify this tree. Location: Delhi, India Height: 20-30 feet Date: October Is the hanging green colored fruit edible? Thank you for all the kindness ...
1 vote
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What type of brown mushroom is this?

What mushroom is this? Maybe some type of Armillaria?
1 vote
1 answer
163 views

What is my pet tortoise' species?

I got this tortoise from my uncle. He said that it wandered into his yard. Found in Khon Kaen, Thailand during the summer.
1 vote
1 answer
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What is this mushroom in Illinois?

I live in the Northwest suburbs of Illinois and we moved into this house last year. I noticed these mushrooms popping up in one corner of my yard and I’ve never seen this type before. They don’t seem ...
1 vote
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Mushroom identification, Hungary

I've found these growing on regular lawn, near some pine trees. In Europe, Hungary, Szada, near the end of October. Could you please help identify it?

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