Moderate difficulty suitable for most players
Esoteric Echoes: Rare Birdcall Vernacular
Challenging puzzle for experienced crossword solvers
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Across
- 1. Soft whiny call often associated with young or begging signals
- 2. Describing bird calls resembling warning sirens or alarms
- 3. Series of gurgling sounds emitted by certain tropical birds
- 4. Short, descending, laugh-like birdcall akin to equine sounds
- 7. Colloquial term for birds with rapid-fire chattering vocalizations
- 10. Sharp, high-pitched repetitive call indicating alarm or agitation
- 12. Visual spectrogram used for analyzing bird call frequencies
- 14. Complex melodious song fluctuating in pitch and rhythm
- 16. Harsh croaking cry typical of corvids, especially crows
Down
- 5. Low-frequency resonant call used for territorial signals by bitterns
- 6. Prolonged mournful note often heard in seabird vocalizations
- 8. Species known for its unique descending twittering call sequence
- 9. High-pitched wavering sound produced in rapid succession by some owls
- 11. Sustained monotonous call used for mating or territorial assertion
- 13. Adaptive vocal deception technique in avian acoustics
- 15. Repeated hollow call signaling territorial occupancy or mating
- 17. African hornbill’s peculiar resonant call on the savannah
- 18. Rapid oscillation of pitch common in small songbirds’ calls
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