Deviation From the Rule, Form, Arrangement
This page is the CodyCross answer for the clue below from Fauna and Flora, Group 180, Puzzle 1 (Birds and Mammals).
Question is: Deviation From the Rule, Form, Arrangement
and the answer is: ANOMALY
Word Meaning:
ANOMALY — A deviation from a rule or from what is regarded as normal; an outlier.
Definitions from Wiktionary.