Questions tagged [species]

The basic unit of taxonomic classification.

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1answer
53 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.
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Species identification: what kind of fungus is this?

Found in a cave Location: Israel The white tentacles appear to be sticky. When they touch something, they stick to it and detach from the main body
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help identifying marine item found on beach

Need help identifying this hard waxy egg like item found on beach in Destin, FL (USA). It feels waxy and semi hard. Also smells like squid or real fishy. it is also semi transparent with dark tan ...
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How many different DNA of different species are there in the DNA of modern humans?

According to this DNA of extinct human species Aboriginal Australians, Pacific Islanders carry DNA of unknown human species, research analysis suggests and according to this Neanderthal ...
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What is this insect

This was found in my house in florida
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Have there been multiple aboriginal species of dogs?

In "Variation under Domestication", Darwin writes that: I may here state, that, looking to the domestic dogs of the whole world, I have, after a laborious collection of all known facts, come to the ...
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Is there a definition of species where Lions and Tigers are the same species?

According to Species concepts There are at least 26 recognized species concepts And according to Why are lions and tigers considered different species (not sure how reliable this source is though, ...
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267 views

why haven't other species developed language? [closed]

Scientists say there are 15 million insect species, 2 million marine species, more millions of bird and animal species. Yet, only one- humans - developed language. If evolution is true - that species ...
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Does it make sense to classify all humans in a single species?

For what biological reasons do we consider that all human beings belong to the same species? A Thai and a Nigerian share a common ancestor that is 140,000 years old (see Gravel et al. 2010 and this ...
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What is a “Valid Species”?

I read in a reference book on Google Books (Biology of Termites: a Modern Synthesis, eds. Bignell, Roisin, and Lo) that the termite Heterotermes perfidus found on the South Atlantic island of St ...
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What are the sufficient criteria that make an entity a living homo sapiens? [closed]

When I say criteria I mean like x biological functions or y genetics. If it were to be appearance,anatomy. A corpse completely looks like a man. Moreover a person who has had their 4 limbs amputated, ...
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Trying to identify a bug that left a blood spot when killed

Hi, this was flying around inside the car in northwestern Maryland, USA, yesterday. When I squished it with a tissue I was surprised to see a red spot that appeared to be blood. Cannot find a picture ...
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What is this black and white worm in a white case?

The case is very small and it's an off white color. The thing living inside can come out of either end. It's a black and white looking worm. It will poke its head out and move everywhere! They are ...
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What are the genus and species name of different breeds of dog?

Can you refer me to a good source containing the genus and species name of different breeds of dogs?
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92 views

How many different species have existed on Earth?

NOTE: Someone else asked this same question a few years back, but it was incorrectly marked as a duplicate and so the question may not have been answered satisfactorily. I'm asking it again, in hopes ...
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What is this tiny, transparent creature found in my home?

Found these in my bathroom, everything was literally crawling with them - there were thousands of those on walls, sink, bathtub... I have all surfaces were sprayed with chlorine spray and with bug ...
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What is this soft cased worm-like creature?

Found this creature in the bathroom Features which ought to help for identification: Size = 1 cm Soft casing Can emerge from either end of its case and thus reverse the direction it crawls. Many ...
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What makes an E.coli an E.coli, genotype or phenotype?

According to this paper, among 61 strains of E. coli they studied only 6% of the genes are common in all. Which means that the overwhelming majority of the genes are not shared. And wikipedia ...
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Where should I go for online information on animals endemic specifically in Mozambique?

I've been involved with the citizen science project "Wildcam Gorongosa" for over half a year now (website, forum). As there are lots of unexperienced volunteers, many questions are being asked. Often ...
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Are there poisons that affect only mammals but not reptiles

Are there poisons that affect only mammals but not reptiles or crustaceans? E.g. hemotoxins which affect hemoglobin but not hemocyanin or specific Na+ channels? Looking for a "nice" poison/disease as ...
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Worm Identification

Please identify the attached worm and larvae. Location: Payette, Idaho Approximate size: 1 mm Found in home.
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Cross species effects of Apis mellifera queen pheromones

I am looking for studies that show effects of Apis mellifera queen pheromones on other species. An example of one such study is where A. mellifera queen pheromones deactivated the ovaries of ...
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Help me ID snake

Could someone please tell me if this is a cotton mouth? Found 2 on my back porch, one got away. Location: Fayetteville, AR (USA) [Note: there are several ponds nearby]
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Database of colors mapped to species

I was wondering about the physics of color, and now am interested in finding out if there are any resources (databases, text files, html tables, or pdf listings) of species and their associated colors ...
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1answer
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What kind of fish is on the picture?

I saw these fish in a video at an art exhibition, I'd like to find out what kind they are.
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What species of frog is this?

I was walking around outside my house when I found this little guy clinging to the outer wall of my house. The house in question is located in Indiana, United States. What is interesting to note is ...
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Is it possible to make an estimate of how many species extincted before humans?

This article Species Extinction Happening 1,000 Times Faster Because of Humans? makes an estimate of the rate of extinction now and 200,000 years ago. I know it's difficult but since there are ...
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Why are mules/donkeys aggressive when faced with predators but horses are not?

I came upon an interesting quote after going down the rabbit hole on a variety of subjects. While deep in the data, I came upon this quote oat and farm animal owners likes to have mules with their ...
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Are any species of life now increasing besides humans? [closed]

I see how many species are growing extinct, but what species (excluding humans) are increasing in number?
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Black oyster of sweet water

I have seen recently a documentary starting with introducing of the spectacular black oyster of sweet waters which imitate exactly like a prey fish in order to convey its eggs to predator fish's gills,...
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Tiny bug in Amman-Jordan

I saw this bug many times in my room this spring. Can any one help identifying it?!
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what is the name of this fish?

]2 fishes are of length 2 to 3 inches.
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Are there species that occupy several roles in the food hierarchy?

Are there species that occupy several roles in the food hierarchy? By role, I am referring to producer, primary consumer, secondary consumer, tertiary consumer, quaternary consumer and so on. ...
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How could humans have interbred with Neanderthals if we're a different species?

To be clear, I'm not doubting that homo sapiens and homo neanderthalensis did interbreed: of that much I'm convinced. Within the past few years I've seen an upcropping of pop-sci articles discussing ...
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Parents that eat their own children

I am told that there are some species, like fish or rabbits, that if let, will eat their own children. If this is true, how does a species like this exist? Shouldn't the fact that they kill their own ...
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1answer
445 views

Does a non-extinct gliding species of bird exist?

According to wikipedia was Archaeopteryx rather glider than capable of active flight. As a hunting strategy it crawl up to a tree (or other high positioned place) and glide from it to a prey. Most of ...
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Can two different species in the same genus generally succeed in the same habitat?

This plant-care website writes In the context of plant care, usually most plants within the same genus need the same environmental conditions suitable for plant growth. If the genus of a plant is ...
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Mild introduction to selective advantage of intelligence/nervous systems in animals?

I have a general understanding of why intelligence, i.e. nervous systems in animals, is advantageous: processing information allows an animal to adapt to its environment dynamically and perform ...
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Do ring species exist?

In trying to understand evolution better, I have been looking at examples of speciation, and have thus come across the topic of ring species. I have tried to find concrete examples of how these work, ...
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What species of butterfly is this? Picture taken on 9-18-2018, near Helena, Mt

Butterfly picture taken on the 18th of September 2018 at an elevation of 1800 meters (6,000 feet) near Mount Helena in Montana, USA.
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Anyone know what emerged from these cocoons?

Found a little universe in the back of a ceramic decoration I put up outside in summer...the concave back was full of grainy soil and several exited cucoons...anyone know what critter this is/was?!
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1answer
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I'm trying to identify this salamander-looking creature I found in my house today in Coos Bay, Oregon. It is about 2" long. What is it?

This is about 2" long. It is white on its underside and looks like a small salamander, except for it being white underneath. It is about 1/8th inch wide.
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What is the name of this spider and is it poisonous?

We found it between Palm trees in the backyard of a home in West Palm Beach Florida.
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What is the name of the bug that emerging from a wood chip like cocoon?

We found it on the wall of a home at West Palm Beach Florida. Is this a kind of infestation or a sick tree near the house fall on the wall?
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Identify this insect, found in Central Vietnam, with long antennae, black wings, and red body [duplicate]

Last year this insect landed on my hand when visiting the My Son city ruins in Central Vietnam. I've been trying to identify the insect, but until now without result. Can you help me? Or do you know ...
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1answer
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What kind of snake is this

Found this outside on patio in northern Virginia, Ashburn area, September 2018. It's about 12 inches. Is it a water snake or rattlesnake?
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What is this? Found crawling across ground under oak tree. Six arms waving, I broke off 1 trying to pick it up. Less than 1 inch long

Crawled like snail. No slime trail. Less than one inch. Six arms, I broke one off.
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The meaning of and standards for “specimen numbers”

I just read here: For example, in the research collection of the Natural History Museum in London, there is a bird specimen numbered 1886.6.24.20. This is a specimen of a kind of bird commonly ...
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191 views

Is Human a race? [closed]

Is it correct to say that 'humans' are a race? Will it also include apes and chimpanzees? Can I use the terms 'species' and 'race' interchangeably?