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Questions tagged [herpetology]

The study of reptiles and amphibians, and a subarea of zoology.

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Why is Archosauria a subclass and not a class?

What is the logic behind Archosauria being a subclass when they have such major differences between Lizards, Snakes, and Turtles. The Amphibians appeared before the Diapsids, which then split into ...
Dakota Wharton's user avatar
3 votes
1 answer
982 views

What snake is this? Is it venomous?

Location: Ozark Mountains in Northern Arkansas. Size: Perhaps 4-6 feet in length. Behavior: Mower uncovered a couple of these in tall grass/brush next to a log. They did not coil up. This one lay ...
mherzl's user avatar
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-1 votes
1 answer
63 views

Is this snake hazardous around children?

This snake lives in a small rock dam in a residential retention pond in Chattanooga, TN. Children play in the area at times. It is approximately 30 inches in length. Is this snake a hazard or can it ...
P Schmurr's user avatar
0 votes
0 answers
80 views

Can a crocodile crack open a turtle's shell?

To put the question more accurately I consider the Saltwater Crocodile, which has been measured to have a bite force of 16.4 kN and estimates of up to 34 kN in 6.7-meters long individuals. For turtles ...
Triceratops's user avatar
  • 1,194
1 vote
0 answers
29 views

Is there any research on episodic-like memory in reptiles?

I've been studying the area of episodic-like memory in non-human animals and our old reptile cousins seem to be really underrepresented (or not represented at all). Is there any research that I am ...
mandra mithra's user avatar
0 votes
1 answer
79 views

Can Sleeping With Reptiles Reduce Excess Body Heat from Your Partner? [closed]

I'm an engineer and biology is my weakest point, so please forgive if this question is dumb. My wife always complains that I set the air temperature too cold at night. She's exothermic in a number of ...
James Strieter's user avatar
1 vote
0 answers
67 views

Snake Identification in India

Location: Kharagpur, West Bengal, India. Time: Near the end of September at around 1:00 pm. This snake was spotted in a drain near my hostel in Kharagpur, West Bengal, India. Can somebody help me ...
Benjamin Tennyson's user avatar
3 votes
0 answers
35 views

ID Large, broad flat bone found in Gulf of Mexico [duplicate]

`1 Is this a tooth? A rib? Or a fish? I found this in about 4’ of water in the Gulf of Mexico/Galveston. It is slightly curved and the side edges have numerous pointy parts. On one side at the bottom ...
Arodgas's user avatar
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1 vote
0 answers
34 views

Help identifying small snake in southern India

I found a baby snake near a hill in Karnataka, Southern part of India. It's monsoon season here. Approximate length - 15 cm
User323693's user avatar
0 votes
0 answers
31 views

How to Scale Metabolic rate and drug dosage according to Mass?

I was reading a book "Biology and evolution of Crocodilians" by Gordon Grigg and David Kirshner. And I can't understand the part about metabolic scaling no matter which method I tried I can'...
user71055's user avatar
2 votes
0 answers
48 views

How does a turtle develop inside its egg?

This is related to Cause of premature death in turtle eggs, for those interested. I have noticed that Kinosternon spp. eggs have three layers: hard outer shell white opaque membrane (like the one you ...
godo's user avatar
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Poison of the Japanese Tree Frog

The Japanese Tree Frog (Dryophytes japonica) (EN / JP) has a poison on its skin that can even make you loose your eyesight, if you touch your eyes, after touching{NOTE}. I found quite a couple of site ...
DarkTrick's user avatar
  • 119
7 votes
1 answer
139 views

Reptile identification - Is this a green iguana?

At first instance it looks like an iguana and since this photo was taken near the coast of Pernambuco, Brazil it could only be the green iguana, but as you can see from the photo the reptile is black. ...
Ricardo Alexandre's user avatar
5 votes
1 answer
284 views

Cause of premature death in turtle eggs

Context I am a hobbyist turtle breeder and I have been keeping and breeding turtles for 15 years (I have hatched turtles in the high hundredths). Long story short, few years back, my friend and I ...
godo's user avatar
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3 votes
1 answer
232 views

Are snake capable of love? (social bond in a male/female couple)

I'm wondering whether it has been noticed that some species of snake form male/female couples for life (or at least multiple reproduction cycles) like other types of animals do (penguins come to mind)....
Alexis Wilke's user avatar
2 votes
1 answer
96 views

What species of snake is this? It was sighted in NE New Mexico, Union County

The snake in this photograph was found injured/dead in Clayton, Union, New Mexico (USA) on 10/06/2021. I want to know if it is a juvenile bullsnake or a Chihuahuan Night Snake...or something ...
Richard Lawrence's user avatar
3 votes
1 answer
164 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 ...
George Menoutis's user avatar
-1 votes
1 answer
61 views

Poisonous Snakes consuming poison (chemical)

While travelling with my Son to a religious shrine, we saw a dead snake lying on the road. My Son asked a curious question to me "Dad, if Poisonous snakes consume poison (Chemical), Will they die&...
Prashant Akerkar's user avatar
2 votes
0 answers
87 views

Aren't tortoise bones fused with the shell? How did this tortoise (in the post) survive without it?

I've just read this story about a tortoise that lost a good portion of its shell in a forest fire here in Brazil and got a 3D-printed prostheses. Here's the picture of it: The way it looks like, it ...
user2934303's user avatar
1 vote
1 answer
131 views

How old is the Pogona genus?

What it says on the title, how old is the genus Pogona, which includes all bearded dragons? I tried looking online, and all I got was the useless answer of “bearded dragons are descended from their ...
The Jaunty Fool's user avatar
3 votes
1 answer
98 views

Help indentify this species of snake/worm

I stumbled upon this snake during my routine walking in the nature park near me. The location is southern India. Time if observation is 6 30 PM. The length was approximately 1 feet. I could see the ...
Sonder's user avatar
  • 131
3 votes
1 answer
2k views

What's the most recent common ancestor of reptiles and humans?

In the Phylogeny of humans and reptiles, what is/are some of the most recent common ancestors?
stevec's user avatar
  • 217
3 votes
1 answer
115 views

Help identifying snake? (Southern California)

I just got home after a brief, surprise thunderstorm ... to find a pretty good size snake lounging in the breezeway at the garage side door. (Presumably, it was seeking shelter from the rain?) Could ...
someguy's user avatar
  • 33
0 votes
1 answer
424 views

What Snake is this? (Found at my door in Raebareli, North India)

Found this snake at my door in Raebareli, North India. We of course allowed it to go away peacefully. Could someone please identify it for me?
Ritesh Singh's user avatar
0 votes
0 answers
48 views

What is this snake in South Florida, USA

I observed this snake for about 10 minutes. It was slithering back and forth in about 50x20 yard (50x20 meter) area. Just kept going back and forth (then I left). There was a similar snake at the same ...
George's user avatar
  • 191
3 votes
1 answer
141 views

What kind of salamander is this?

This guy was found in central Virginia, under a flower pot. He's about 3 inches long, because part of his tail is either missing or it's just short. He looked dried out, so of course I wet my hand, ...
Cyanite17's user avatar
7 votes
1 answer
239 views

How do snakes determine the direction of prey from their thermal infrared sensing pit organs?

This answer to How does the “heat vision” of some snakes work? explains the basic idea and there are several linked sources within that go into greater detail on the sensing mechanisms on a physical ...
uhoh's user avatar
  • 5,598
3 votes
1 answer
125 views

What is this nighttime creature?

I almost stepped on this little critter. It blended into my garage floor. It is about about the size of my hand, with huge bulbous eyes that immediately caught my attention. There was a distinct white ...
Karilyse's user avatar
1 vote
1 answer
318 views

Water snake with a yellow criss-cross on a black background?

I saw a 60 cm long, very skinny (~15 mm diameter), black with yellow diagonal criss-cross patterned snake swimming in a pond this afternoon in northern Taiwan. It was swimming near the top of the ...
uhoh's user avatar
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0 votes
0 answers
24 views

Are there any examples of viruses that have jumped from reptile to human?

I know that there are plenty of examples of zoonosis occurring from reptiles to humans that involve bacterial pathogens, (e.g. Salmonella) but are there any instances of viruses being transferred from ...
nellapizza's user avatar
0 votes
1 answer
406 views

Why do wild lizards often tap with their front leg?

I have a lot of wild lizards (possibly Podarcis muralis) in my garden, and I have noticed some of their behavior I'd like to understand: whenever they are in 'still' position on any surface, they are ...
David Belohrad's user avatar
-1 votes
1 answer
103 views

What's this parasite?

Any microbiologists or parasitologists recognize this? It's from my pet bearded dragon in the eastern US and the vet's never seen it before.
ecologist1234's user avatar
3 votes
1 answer
87 views

what kind of lizard is this

Found on ground by house in residential neighborhood in Fort Pierce FL. looks mature maybe 17".
Nick Constant's user avatar
6 votes
1 answer
122 views

Can you identify this snake?

On a walk through I’ON Swamp/Natural Forest in Mt. Pleasant, SC, we came upon this snake. We did not get too close for fear it may be poisonous. It had a very dark brown/taupe exterior with almost a ...
YoRock's user avatar
  • 63
2 votes
2 answers
246 views

Did any warm blooded animals evolve back into cold blooded?

Pretty much as title says - wondering if evolution can go from mammal back to reptile - either in theory or practice.
Jimmy Widdle's user avatar
19 votes
2 answers
7k views

What is this animal looking like an Axolotl?

My friend caught a strange looking animal and he's saying it is an axolotl. I keep telling him it's almost impossible, since they are almost extinct in their natural environment and he caught it in St-...
Samuel Fyckes's user avatar
2 votes
1 answer
1k views

Differentiating Antaresia (Children's Complex) Pythons using something other than color pattern

I have a standard wild-type Children's python (Antaresia childreni) that I'm planning on breeding in the next few years and was just sold a male "Children's python" that I think might actually be a ...
David Perry's user avatar
2 votes
0 answers
72 views

What is the current status of the taxon Crocodylus raninus?

What is the current status of the taxon Crocodylus raninus, the Borneo Crocodile? See Wikipedia Is it now a valid species, a subspecies of Crocodylus porosus (The Saltwater Crocodile) or merely a ...
Triceratops's user avatar
  • 1,194
1 vote
1 answer
129 views

Why do tails of some lizards break so easily?

When I was younger once I have tried to catch a ground lizard by its tail but, unfortunately the tail got broken and the lizard ran away. Why did the lizard's tail get broken so easily while other ...
rahul's user avatar
  • 373
1 vote
1 answer
4k views

Snake with strange head

This snake was killed in graveyard Peshawar (Pakistan). I just wonder what is this? Is it a snake? Baby crying sounds were reportedly heard from graveyard in Peshawar after months of search the sounds ...
marjan bahu's user avatar
0 votes
2 answers
108 views

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]
Kimberly Bell's user avatar
1 vote
0 answers
75 views

Can any one ID my tortoise?

I have got a pet tortoise and I was wondering if any one could identify it. I think it's a male around 2 years old. I'm not quite sure, it is quite small, very shy and goes very fast. He likes ...
Georgia Hope's user avatar
2 votes
1 answer
110 views

What brazilian snake is this?

(1) Is it possible to identify the snake in the picture below? If (1) cannot be answered: (2) In view of the pattern of colors, is it possible the snake in the picture below be non-venomous? If so, ...
Pedro's user avatar
  • 183
2 votes
1 answer
88 views

What species is this lizard?

A small green lizard (20 cm in size). It was found in the direct neighboorhood of a house, in a small village in the Hungarian hills south of the Balaton lake. It was found in the middle of the day. ...
JAD's user avatar
  • 123
1 vote
1 answer
181 views

What is this species of green frog found in store-bought flowers in France?

Today I found a frog in a big flower composition bought at a french shop (living in Grenoble, south of France). It started snowing today, and I'd like to keep it until it's warmer outside. So could ...
Ise's user avatar
  • 13
2 votes
0 answers
106 views

Snake with red eyes and black skin found in a plant pot

It was found dead/stiff in an empty plant pot in a kitchen. Could it be a young Höllenotter (a melanistic vipera berus, photo in Wikimedia Commons)? Is the reddish/brownish part an injury? And ...
unor's user avatar
  • 135
6 votes
1 answer
2k views

What is this tiny lizard?

This tiny guy stumbled into our house in the suburbs of Sydney. What species is it? It's dark and has two yellow stripes going along the length of its body. They start on its head and go right above ...
user622505's user avatar
3 votes
0 answers
474 views

How old is the action of sneezing?

Is there an estimate for when the ability of sneezing evolved? A little bit of research, and some critical review of my memories tell me that: Many, if not maybe all mammals sneeze. Some reptiles ...
raggot's user avatar
  • 169
1 vote
0 answers
31 views

Scientific name of a lizard's reproductive system

I need to find the scientific (latin) names of the reproductive organs of female and male lizards. So far the only result I've got is that male lizards have hemipenes inverso, but nothing on the ...
Bálint's user avatar
  • 111
2 votes
0 answers
71 views

Larva attacking frog ? Guide about this

The above picture was taken in western forest of India where a larva attached itself to a frog neck. What is it and how it will effect the frog?
Sachin Prabhu's user avatar