Distrubance / Reactive Example
Overview
Disturbance / Reactive tones appear when the colony responds to an external trigger such as vibration, sudden movement, hive opening, predator contact, or unexpected environmental change. These tones have sharper edges, increased modulation, and a noticeable shift in harmonic behaviour as bees move into alert or defensive posture.
Tone Characteristics
-
Tightened fundamental — slightly raised or sharpened, reflecting alertness.
-
Agitated midband — flickers, bursts, or uneven modulation caused by rapid wing‑beat changes.
-
Reactive harmonics — stronger 2× and 3× multiples with sharper edges or sudden surges.
-
Defensive posture — bees cluster tightly, move rapidly, and orient toward the disturbance.
What This Tone Indicates
Disturbance / Reactive tones reflect a colony that is responding to something unexpected. The hive is not in full alarm, but it is no longer calm — bees are assessing, orienting, and preparing to act. This tone often appears during inspections, knocks, hive movement, or predator contact.
Acoustic Snapshot
A Disturbance / Reactive recording feels sharper and more energetic than calm or work tones. The midband shows bursts or flickers, and harmonics may spike briefly as bees shift into alert behaviour. It is recognisably different from normal activity and often short‑lived unless the disturbance continues.
Behavioural Notes
-
Bees move quickly and orient toward the source of disturbance.
-
Guard bees become more active.
-
Wing‑beat modulation increases.
-
Tone may escalate into Stress / Alert if the disturbance persists.
Compare With
-
Steady‑Work — rhythmic and organised, not flickering or reactive.
-
Smooth Calm — warm, even, and unpressured.
-
Stress / Alert — stronger, sharper, and more sustained than Disturbance / Reactive.
Disturbance / Reactive Example slice
Fundamental: slightly tightened Midband: reactive flicker/burst Harmonics: brief spikes (2×, 3×)
UMB: short‑lived agitation