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Grendel Reproductive Strategies

PictureName &

Original Grendels The Grendel mother is a parasite/symbiont
upon the great tree Yggdrasil, high up in it's canopy.
She lays fully grown eggs from time to time, which break upon impact with the floor.

Her sons are always sterile.and lone.

New Grendel

A modified version that creates up to nine fertile colourful grendels of both genders,MuppetBoy
Grendel Machine Gender Changer
Allows you to switch the Grendel Mother's children between all male, all female or random, but are still sterile and monocoloured.Kinnison

Sexual Grendels  Fertile Grendels are very much like norns,
and use a very similar genome, they breed like them too, having no need for a symbiont stage, they mate and lay eggs.
- various -
first by Slink?

Macro Gregoid

This symbiont lives on the roots of Yggdrasil and it gives birth to live miniature grendels of all colours.
Their population is maintained by the Gregoid, although they can also mate and lay eggs to increase their number.



How to Breed Grendels


If you want to alter a world so that any grendels in it can breed, first use a hex editor to open the relevant world.sfc file.
Then do a search and replace as follows:

Search for: doif gnus eq 2
Replace with: doif gnus eq 9

This will allow the grendels to behave just like a norn.
To save effort, you can use a Grendel World or just add the Grendel Friendly cob to an existing world.

You will still need grendels with reproductive genes and the missing sprites if you want to be able to breed them,
and have them have a life cycle like that of norns with baby and elderly forms.
I recommend you also use 
updated grendels by Jessica to fix the small errors with these files.




Grendel Life cycle

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Grendels breed in an unusual fashion.
They are probably asexual or perhaps eusocial in that the solitary male grendels you will see in Albia are sterile, as if they are some sort of worker or soldier caste.

The only naturally fertile grendels are the grendel mothers, which seem to produce eggs without being mated, which instantly hatch into fully-grown male grendels.
The grendel mother can be made to create females, but they are similar to the males in that they share a similar appearance and are also infertile.

It could be that the grendel mother in the original Creatures is somehow damaged or mutated and her infertile children are somehow sterilised as a result.
Besides the original grendels, there is also a breed of fertile grendels that grow and reproduce in a similar manner to norns that can be introduced into the world.



Grendels in the Other Games


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 A similar story can be seen on the Shee Spaceship, a grendel mother, with a drastically different appearance can be seen giving birth to male children
- with the difference that they are perfectly capable of fathering children, but there are no natural females present.



The only real mystery is in Creatures 2, where grendel eggs seem to grow out of the ground with no obvious presence of a grendel mother.
These grendels are also sterile. Again there are fertile versions of the same grendels in existence.



My hypothesis is that these eggs are somewhat fungal, which could explain why the other Grendel Mothers are sessile.
Perhaps all Grendel Mothers are symbiotic or parasitic?
(This thought was my inspiration for the Spore Ettin Mother)