Nightmarish Nature: Cannibalism
Let’s return to explore more Nightmarish Nature, shall we? This segment focuses on cannibalism, as we generally find it icky / taboo and because it’s more common than you might think. There are many different reasons that different creatures engage in cannibalistic practices. Energy waste doesn’t last long in nature; gaps are filled as things evolve to utilize whatever resources are available to meet their own needs. C’est la vie (light up another cigarette). In any case, the challenge to the cannibal lies in determining kinship and not accidentally erasing their own line or progeny, thus decreasing their likelihood for survival over generations. Oh, and in avoiding those pesky prion diseases…
Resource Driven Cannibalism
Resource driven cannibalism can occur when competition for resources is high. This may be due to scarcity, with individuals taking to eating each other to avoid themselves starving to death (with those consumed either still alive and killed to this end, or eaten after death of other causes). Or it may be outside of the cannibal’s control, considering the spread of Mad Cow Disease from feeding beef meal harboring the prion disease (and parts from other mammals like sheep) to growing cattle to save money, ’cause it’s not like the cows were allowed to order whatever they wanted. Or it may be due to direct conflicts with other groups of the same species, either due to competition for resources, mating rights and/or territory. These behaviors have been noted in mostly male chimpanzees raiding other groups, which have even been documented as all out wars against other males in neighboring bands, campaigning to eradicate all outside of their ranks.
Social Demonstration
Thinking about chimpanzees, males are also documented to gang up on alpha males seen as too controlling or sadistic, with groups of younger males attacking and rendering the alpha male to pieces, often consuming his flesh and blood in the process. This can upend established hierarchies to replace them with new structures, for example with a new male taking on the role of leader. But cannibalism can also be used to reinforce existing hierarchies, as seen in African Wild Dogs wherein the dominant pair will kill off any offspring that other dogs may have birthed so that the pack will focus on raising only the alpha pair’s pups, thusly reestablishing and enforcing social structure while ensuring the best survival chances for the pups raised by channeling all resources to the one brood.
Infanticide & Filial Cannibalism
Like African Wild Dogs, other parents may also eat their offspring, or better yet their rivals’ offspring. Stillborn or unhealthy offspring may be consumed, or just any that they can get their hands on at birth. (Again with the young male chimpanzees…) Some creatures enter into cycles wherein smaller individuals are more vulnerable to predation by larger ones both within and outside of ones own species, as is seen among many fishes with eggs and smaller fishes playing an important role as prey to larger ones. Other creatures may engage in these practices to reduce competition (for themselves and/or their offspring) and/or increase opportunities to mate. Male cats are notorious for killing kittens that are not their own in order to bring females into heat again sooner, potentially increasing the likelihood of mating with said females themselves while decreasing future competition. Win-win! Female cats must take great care to hide their kittens in order to protect them from males as much as other predators, and can have kittens by different fathers within the same litter in order to increase their kittens’ overall survival as a group with father cats more willing to accept kittens when their own kin are present.
Sexual Cannibalism
Mantids and spiders are especially known for sexual cannibalism, with larger females consuming males during copulation, but this is not always linked to vast size differences and does not appear in every species. Females who engage in this practice may have healthier eggs in larger clutches, thus increasing the survival likelihood of more of their offspring. Sometimes the risk to the male suitor of being mistaken for another species by an aggressive would-be mate is high, and various rituals have developed within certain species to help avoid such mistakes and entice the female to mate. Male spiders are known engage in elaborate dances, movements, tapping and silk spinning rituals to avoid being eaten pre-copulation or at all. It’s a hell of a lot more involved than a good pick up line and a well-timed drink, as you can see here.
If the above video doesn’t load, you can find it on PBS YouTube here.
Thank you for joining us for another exciting episode of Nightmarish Nature. If you enjoyed this, please feel free to check out these previous segments:
Yeah yeah, the insects tend to get ALL the attention here on Nightmarish Nature. But honestly, this one takes the beefcake. It’s the New World Screwworm Fly, and it’s as terrifying as the name suggests. And they aren’t limited to the Americas, there is an Old World version as well, as they can be found pretty much anywhere tropical or seasonably suited.
Revolting Little Buggers
The Screwworm Fly is a parasitic fly larvae that burrows into its host to feed, named because it seems to screw deeper and deeper into the flesh over time. This process is called myiasis and do NOT look it up online, you WILL regret it. They blur those images out for very valid reasons, trust me (and not because of pornographic content). And these maggots will continue to burrow en masse, rather than staying put as a botfly larvae would.
Do Not Do an Image Search on Screwworm Myiasis, Like Seriously – You Will NEVER Unsee That
The female Screwworm fly lays her eggs on an open wound or orifice of her chosen host… And not just one egg or a couple of eggs, no – hundreds, even thousands of them. Let’s let that sink in a bit, shall we? Or screw in as it were. Although any warm-blooded animal is a prime target, cattle are a fly favorite, costing millions of head of cattle to this sick and disgusting horror annually. And if beef isn’t on the menu, Fido or even yourself might be.
The Great American Worm Wall
In fact, this particular feature here on Nightmarish Nature is so terrifying that the United States has made agreements with all of Central America, even including countries that do not generally share its interests, in order to create a “Great American Worm Wall” to prevent them from spreading back into the United States. I’m not going to go into all of the creepy and juicy details of this bizarre science fiction freak fact, you’ll just have to watch it here on Half As Interesting’s YouTube channel.
Essentially, the Worm Wall is a complicated byproduct of scientists studying radioactivity on the flies’ maturity as well as the flies’ sexual lives and using this information against them to nearly eradicate the species and banish it from much of its former range. So, Peter Parker, if you thought everyone was messing with your love life before, be glad you weren’t bitten by a radioactive Screwworm.
If you’ve enjoyed this segment of Nightmarish Nature, feel free to check out some previous here:
You’ve almost made it to the end of the finger spiders here at Haunted MTL! Because I made A LOT of unfulfilled requests for a spider out of fingers, I will continue this snarky little AI art series with NightCafe and Canva through the month of September… In case you missed out, here are the other parts of this series:
Images: Overall design aesthetic of fashion / design advertising spread in muted tones with four AI art rendered images of spiders, built spiders, and spiders on hands, with any given number of legs on spiders and fingers on hands as you’d expect from AI interfacing at this time. Prompts used from top left to lower right include: hand that is a spider; spider legs as fingers; fingers becoming spider; spider all fingers.
Text reads: Creepy Crawlies Finger Spiders Keep Trying! Yeah, I’m sure you don’t remember being bitten. Because of the ways they warp time and space, and the natural chemical reactions involved, the AI art generated finger spiders’ bite isn’t typically felt. They are still attached to you, feeding… You have to get them off… Keep trying!
Images: Overall design aesthetic of fashion / design advertising spread in muted tones with four AI art rendered images of spiders, built spiders, and spiders on hands, with any given number of legs on spiders and fingers on hands as you’d expect from AI interfacing at this time. Prompts used from top left to lower right include: spider leg fingers; spider made out of hand fingers; hand spider picking banjo; fingers as spider playing banjo.
Text reads: Creepy Crawlies Finger Spiders That’s All Folks! Well, I guess that’s that then. It’s been nice knowing you. Enjoy your new form. Nothing left for it but to play the banjo…
All of the AI art images used in this series were generated on Thursday, June 13, 2024. If you want to see more freaky spiderness in art here on Haunted MTL, check out Bitten and Soul Catcher. More AI art graphic narratives from Jennifer Weigel have explored Little Red Riding Hood and Into the Deep Woods. Oh, and the Tiny Brain Computers exploration. To see more such devolutions into AI generated art, check out the Will the Real Jennifer Weigel Please Stand Up? blog.
We just can’t get enough of spiders here on Nightmarish Nature… so here are some more creepy spider facts for you to consider, outside of the giants, eating and mating habits, and wasp predation as previously mentioned in this series. Plus the finger spiders have taken over the whole of the month of September, so strap in because they’re here too – no goofy drawings this month just more terror unleashed in the form of AI art, courtesy of NightCafe.
Spiders Are Baby Mama Machines!
Spiders can lay hundreds and thousands of eggs in their egg sacs at a time. And when they hatch, all those tiny baby spiders can balloon, flying to new homes on airborne strands of silk as if raining from the sky… So if you suffer from trypophobia and are weirded out by large quantities of clustered small and tiny objects (especially when they are alive and moving) you may want to steer clear of these little bug bombs.
Spiders Are Athletic Archdukes!
Jumping spiders can leap as far as 40 times their body length. And wolf spiders can run up to 2 feet per second. In movement, spiders have four feet on the ground and four in the air at all times. And they have six knees on each leg for a total of 48 knees – that’s a lot of potential kneecapping, I’d try to take them down a different way if I were you…
Other Interesting Factoids
Spiders are on every continent except Antarctica and there are over 40,000 identified species of them. All spiders produce silk for all that they don’t all make webs, since some prefer to live on the move or ambush from hidey holes. There is a known species of herbivorous spider, the Bagheera Kiplingi, but most are carnivorous or omnivorous. And the longest lived spiders can survive for 40+ years.
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