Cuckoo's egg
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Look up cuckoo's egg in Wiktionary, the free dictionary.
Cuckoo's egg may refer to:
- Cuckoo's egg (metaphor), a metaphor for brood parasitism including references to spycraft and malware
- Cookoo's Egg, a cryptographic puzzle
- Cuckoo's Egg (book), a 1985 science fiction novel by American writer C. J. Cherryh
- The Cuckoo's Egg (book), a 1989 book by Clifford Stoll