12
votes
Can Yeerks communicate with each other when they're in the Yeerk pool?
Only very little.
From Book 10, The Android, in which the android Erek pretends to be a Controller while keeping a Yeerk prisoner inside his body:
"How do you keep the Yeerk alive without ...
- 131k
9
votes
Accepted
Who was the first non-Gedd to be taken by a Yeerk as a host?
An Ongachic
(Or, technically, maybe a Hawjabran)
While the first species the Yeerks successfully conquered in large numbers after the Gedds was the Hork-Bajir1, they made abortive attempts with two ...
- 1,347
7
votes
Accepted
Can Yeerks communicate with each other when they're in the Yeerk pool?
Yeerks can communicate in their pools
The most that we have written about yeerks is the Hork-Bajir chronicles, in which seven chapters are written from the point of view of Esplin 9466 (Visser 3).
...
- 75.3k
5
votes
Accepted
What happens if a Yeerk infests someone in morph and then demorphs?
Seemingly nothing out of the ordinary
It's not the best example, but there's only one instance really that I can think of that quite fits the bill, in book 19: The Departure. A Yeerk infests Cassie ...
- 1,347
4
votes
What are the limitations for what species Yeerks can take as hosts?
Regarding age, a five year old host is encountered in #29.
Regarding size, in #2 The Visitor Visser Three is talking about a cat (emphasis mine).
"What a ferocious little beast," Visser Three said ...
- 5,409
4
votes
Accepted
How did the Yeerks help the Gedds survive?
This may be an exaggeration
The only instance I can find in the books of anyone actually claiming that the Yeerks and the Gedds had a symbiotic relationship came from Prince Seerow, shortly after ...
- 1,347
3
votes
Accepted
Which non-human Earthlings did the Yeerks try to take as hosts?
Horses.
Book 14, The Unknown, prominently features horse Controllers. From Wikipedia, or equivalently the Animorphs Wikia (the content of both pages appears to be the same):
Cassie and Rachel drive ...
- 131k
2
votes
Who was the first non-Gedd to be taken by a Yeerk as a host?
It's unclear, but it seems that two "test" Hork-Bajirs were the first non-Gedds to be enslaved.
As far as I can, immediately after Seerow's Kindness and the Yeerks betrayal, the Yeerks invaded the ...
- 657
2
votes
Accepted
What happened to the Yeerks after the war?
There isn't a canon answer to this question; while the morphing capability had been given to the Taxxons no direct mention is made of Yeerks being granted the same liberty, though we know that at ...
- 411
1
vote
How could Karen go free?
Not really, the thing is Karen was not high ranking enough. It would take at least three days for the Yeerks to notice her not getting back into the pool. Even then it is highly likely the Yeerks ...
- 11
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