enter image description here Your final answer should answer the question above.

  • $\begingroup$ "a furry race of dog"? $\endgroup$ Jun 24, 2021 at 7:09
  • $\begingroup$ Hm, I've figured out what's going on with three of these, but can't quite see how to continue just yet... $\endgroup$
    – Deusovi
    Jun 24, 2021 at 7:16
  • $\begingroup$ @Deusovi Same - rot13(naq gurve nafjref' yrggre frg vf cerggl fhfcvpvbhf va vgfrys...) $\endgroup$
    – Stiv
    Jun 24, 2021 at 7:18

1 Answer 1


The first thing of significance to note is that the three longer excerpts...

...have a very strange letter set - all contain J, X and Z among the letters. In fact, the more you look you can see that each of these contains every letter of the alphabet except for a few.

In fact, if we analyse which letters are missing we find that these spell out the names of animals! In the case of the top-left and top-right excerpts, these are actually the animals talked about within their text (the one at the bottom is harder to confirm as the same, due to its scattered nature).

Top-left - unused letters spell DOVE.
Top-right - unused letters spell JACK (as in a male donkey).
Bottom-centre - unused letters spell SQUID.

The question now is: what about the other excerpts?

For some of them it seems it is possible to find animals that both suit their vague definitions and use none of the letters found in their text...

'bird of prey' = HAWK
'tailless, limbed amphibian that can leap' = FROG
'term Serpentes' = BOA
'a furry race of dog' = SPITZ (thanks @LukasRotter in comments)

Let's return to 'O...ed to specify the sex' shortly.


Consider the letters of the animals we are finding here. These almost look like we might be trying to cover the alphabet again using the letters from their names - we've already covered A, B, C, D, E, F, G, H, I, J, K, O, P, Q, R, S, T, U, V, W and Z (leaving LMNXY). If we can find an animal that satisfies the last remaining clue (whilst accounting for the as-yet-unused M), it is reasonable that we will find ourselves left with the letters to spell LYNX, which would then be the animal to answer the OP's question of "What's missing?" This would be especially appropriate, since a 'missing lynx' is a nice homophone for the puzzle-worthy 'missing links'!

The only thing missing from my answer at present is the animal behind 'O...ed to specify the sex'. If my LYNX theory is correct then the animal's name must be made up only of letters from the set {ABGJKMQRUVWZ} (i.e. those letters that do not appear in the text or the word LYNX) and must include the letter M among them. However, the only animal name I can spot among these without reusing letters (since none of the others already found have repeated letters) is RAM - but I am unsure of how the context of 'specifying sex' is relevant for this animal... Perhaps some more thought still required to nail down that last missing animal.

  • $\begingroup$ Furry dog might be rot13(FCVGM), covering 3 of the remaining ones. $\endgroup$ Jun 26, 2021 at 6:58
  • $\begingroup$ @LukasRotter Ooh! I think that might well be it! Nice spot, thanks :) $\endgroup$
    – Stiv
    Jun 26, 2021 at 6:59
  • 1
    $\begingroup$ Nearly there! However, the last clue does indeed start with a capital O... $\endgroup$ Jun 26, 2021 at 8:27
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    $\begingroup$ @Vir The animal names cover the entire alphabet by design, so it's not surprising you could craft an arbitrary string out of them. (though the [currently known] names only have one R as opposed to Charles Darwin) $\endgroup$ Jun 26, 2021 at 14:22
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    $\begingroup$ @Vir It's pretty much expected that all animal names would be used for a 13-letter string. I meant that you could create almost anything you want with your method. Anyhow, I'll not drag this out any further in this comment section. $\endgroup$ Jun 26, 2021 at 15:52

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