Let’s get out and about in nature to photograph naturally occurring sharp objects.
There are many naturally occurring sharp objects found in nature around the world. Here are some examples. Maybe they will inspire you to get your camera out (or search your photo archives):
- Obsidian: Obsidian is a naturally occurring volcanic glass. It is extremely sharp and has been used for tools and weapons by many ancient civilizations.
- Shark teeth: Sharks have teeth that are incredibly sharp. They are often collected as souvenirs or used in jewelry.
- Thorns: Thorns are a common defense mechanism for many plants. Examples include roses, cacti, and thorn bushes.
- Stingray barbs: Stingrays have a sharp, barbed stinger located on their tail that they use for defense. These barbs can be dangerous to humans and should be avoided.
- Porcupine quills: Porcupines have sharp quills that they use for defense. These quills can detach easily and become embedded in the skin of predators, causing discomfort and sometimes infection.
- Claws: Many animals, including big cats, birds of prey, and some rodents, have sharp claws that they use for hunting and defense.
- Sea urchin spines: Sea urchins have sharp spines that can be dangerous to humans if stepped on or touched. These spines also help protect the sea urchin from predators.
- Antlers: Male deer, elk, and moose have sharp antlers that they use for defense and to establish dominance during the mating season.
Below are a few of my own examples.




It’s Quiz Time!
An example I didn’t mention above is teeth. Below are photographs of three animal skulls, showing their sharp teeth. Do you know what they are? Or would you like to guess? Add your answers or suggestions in the comments below. They are all western European animals.



I will reveal their identities when I do a round-up of Nature Photo Challenge in 10 days time. Good luck, and I look forward to seeing your suggestions and your Sharp photos.
All photos © Denzil Walton
[…] Denzils Nature Photo Challenge #6: Sharp […]
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Wow that’s some impressive lizard! Never heard of a Goanna but there’s certainly plenty sharp about him.
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I have no idea but here goes
1 Canine teeth so a dog type of animal
2 Bear
3 Sabre Toothed Tiger with bad dental hygiene
A hint of what continent would help but probably not 🙂
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Good guesses Brian, close on one of them, distant on another. They are all West European mammals – I will add that to the text.
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Bear was close?
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No!
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wolf?
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https://geriatrixfotogallerie.wordpress.com/2023/03/29/sharp-2/
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They are painfully sharp!
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That thorn photo is quite suggestive. I had to blink twice when I saw that pop up in the Reader!
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Indeed. I was half expecting it to be censored.
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😂
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You’ve given some great examples.
I love the picture of the heron.
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Thanks Dawn.
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Great photos Denzil!
I’ve got no idea which animals teeth those are!
Here is mine entry:
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Thanks for showing us the very sharp nature of South Africa Aletta. It’s amazing how many plants have developed incredibly sharp thorns over the years.
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Thank you so much Denzil, yes it is amazing to see the sharp thorns on it.
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Oooh. That thorn looks painfully sharp.
Interesting challenge. I realized that I have an older post with some relevant photos. I hope recycling is allowed: https://anotherglobaleater.wordpress.com/2022/12/26/year-403-in-ten-pictures/
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Sure! I would not like to come into contact with that sharp horn of the Black Buck.
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Thanks Judy for your great variety of sharp images. Your 7th image, entitled Version 4, is particularly interesting.
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I love your closeups… especially the very first one.
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Thanks Judy, I really must get in the habit of photographing the names of plants as well as the plants themselves when I visit a botanical garden. Otherwise I have no idea what I’ve photographed. This thorn was one such example.
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[…] Shot this afternoon for Denzil’s Nature Photo Challenge #6: Sharp […]
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Thanks for joining in! Yes your photo of a bug amidst bramble thorns is a reminder that many creatures hide and feel protected by a plant’s thorns, that I guess are designed to stop larger animals from eating them.
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this is something I may not have anything for. I’ll try and get a shot
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Looking forward to the result of your sharp search!
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Denzil,
https://031ll1879.wordpress.com/2023/04/02/looking-forward-nature-photo-challenge-6-sharp-74-2023/
Enjoy the rest of the weekend!
Archer
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[…] Nature Photo Challenge: Sharp […]
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Thanks Dawn, yes Walter is indeed looking sharp, and cuddly at the same time.
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This was an interesting challenge – I thought I would have very few photos but searching threw up quite a lot that seemed to fit: https://www.toonsarah-travels.blog/gallery-the-point-of-sharpness-in-nature/
That thorn is an amazing colour! I puzzled over your skulls – could the last one be a rabbit perhaps?
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What a great selection and variety Sarah, from far and wide. Love those crocs’ teeth, from a distance. And the chestnut reminded me of painful pickings!
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Good guess for the rabbit Sarah. It’s not, but you are in the right area.
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I thought it had to be a rodent. Squirrel maybe?
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No, something bigger than a squirrel.
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Oh what fantastic photos you have to inspire us this week 😀 😀
Here is my entry for the week.
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Super photos Cee, love that macro of the leaf with its tiny prickles.
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[…] Posted for Denzil’s Nature Photo Challenge […]
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Wonderful photos, Denzil.
Here is mine:
I’ll have a guess at the last one, could it be a squirrel?
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Thanks Sofia for the compliment, and thanks for your wonderful cactus close-up. Photo C is not a squirrel, but you are right in thinking it’s a nibbling animal.
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That thorn is a nasty piece of work. I find roses are the most ungrateful creatures – you give them constant TLC and they always dig at least one thorn into a thumb or finger.
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Ha, too true Carol. Even when you reach for one just to smell it, it’ll bite you!
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Superb Sharp examples.
My wide guess since I have zero knowledge in these things.
Specimen
A-fox
B- Polar Bear
C-Beaver/rodent
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Very good guesses Philo. I won’t reveal the answers yet.
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My contribution
https://philosophyvia.photos/2023/04/01/nature-photo-challenge-7-sharp%f0%9f%8c%b5/
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Thanks for educating me on the difference between thorns, prickles and spines Philo, very interesting post!
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Thank you, Dennzil for your kind and encouraging words.
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[…] Part of Debbie’s Six Word Saturday and Denzil’s nature photo challenge. […]
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You always post such a variety of different photos Rebecca, thanks for participating.
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Thanks for this challenge, Denzil! I was surprised at the sharps in my drawer. https://fakeflamenco.com/2023/04/01/natures-sharp-and-to-the-point/
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You show a nice selection that fits this week’s theme Sharp. Wish I met a hedgehog but haven’t seen any here in Cyprus, yet. The other day I found a turtle in our garden!!! Although they are not sharp, so I keep looking.
The animal skulls are absolutely amazing!! But hard to guess..
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I hope you photographed Mrs. Turtle, it may come in useful for a later challenge!
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[…] of all the shots I got, this was my favorite one which happens to be my contribution to Denzil Nature’s blog and the photo challenge of this week whose theme is “Sharp”. With April now here, we are seeing much of the tree buds flowering but there are still buds that […]
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Thanks for getting out and capturing these two photos Archer. Look forward to more shots with your new lens.
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[…] Here we are in Spain. Between travel fatigue and the fun of a family wedding – all in Catalan – getting an album of Sharp Shots for Denzil’s photo challenge this week has been an unusual one. https://denzilnature.com/2023/03/29/nature-photo-challenge-6-sharp/ […]
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Ah! I’m glad the pingback worked! A fun challenge as usual, especially for me, with no access to my archives.
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Thanks for these wonderful cacti photos, and for thinking out-of-the-box for that lemon tree. I hadn’t really considered that type of sharp. A good reminder.
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[…] monotreme is covered in sharp quills, making it a good entry in Denzil’s Nature Photo challenge this week. The claws, rear ones facing backwards, are also […]
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So glad you shared an Echidna to keep my Hedgehog company Karen. Totally on point!
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[…] Denzil’s Nature Photo Challenge #6 “Sharp” is the key word for shooting images this week. Knowing how much I do love the […]
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The one on the bottom looks like a beaver maybe. The cm confuse me
Wild guesses:
1. Hedgehog
2. Fox
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Lovely photos Kathleen Jennette and thanks for introducing us to this special photo technique. As to the skulls, two of your guesses are very close. Actually you are the closest yet.
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That’s kind of scary that I was close. I guess I’ve to many in my yard 😳
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Thank you for this… I love the Teasel seedhead. Always interesting to learn what natural items are used for.
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Yes, it’s worth photographing all-year-round, as its tiny flowers are also interesting.
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[…] you Denzil for giving me a chance to sharpen my […]
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I love these photos Donna, thanks for taking me a mini tour of Yellowstone. What is the huge animal footprint in the final picture?
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I made it at the last minute 😁
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Don’t worry, there’s no time limit Anita, I just add to the list when they come in. Some exceptionally sharp leaves and teeth there!
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