We could record insects with hydrophone, but many of them communicate at ultrasonic frequency (up to 16000Hz) — bats also use this frequency as sonar, as do other animals. These recordings use special devices that translate those communications.

Ants Recordings

April 2016 — Brocéliande, France

August 2008 — Norfolk, UK (original player was Flash/xspf — source archived offline, to relink)

July 2007 — Corrèze

19 July 2007, Pommerie: amplification of Formica Sanguinea made with a piezo in the forest of Pommerie (Corrèze).

July 2005 — South of France

Simple amplification of ants activity (made with a piezo) at a campsite in the south west of France.

Bats Recording

Recorded with Ultrasound detector D100 - Pettersson.

21 July 2007 — Gouffre de la Fage

Recording made at the exit of the sinkhole as the bats go out to hunt. Four species caught: le grand rhinolophe, rhinolophe euryale, le minioptère de Schreibers, le grand murin.

Gallery