diff --git a/Audio_data/data_availability_statement.md b/Audio_data/data_availability_statement.md
index 8ce8cd7540a7a3d33aef91855f8e5a38cabd366d..b74575594707bef8141632e253682109ad2ca94a 100644
--- a/Audio_data/data_availability_statement.md
+++ b/Audio_data/data_availability_statement.md
@@ -1,4 +1,6 @@
 # DATA AVAILABILITY
 
-Audio wavefiles and drone footage are available upon request.
-Please contact [Loïc Lehnhoff](mailto:loic.lehnhoff@gmail.com) or [Bastien Mérigot](mailto:bastien.merigot@umontpellier.fr).
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+Drone footage are available upon request.
+Audio recordings that do no contain the bio-inspired signal (confidential) are available upon request.
+
+Contact [Loïc Lehnhoff](mailto:loic.lehnhoff@gmail.com) or [Bastien Mérigot](mailto:bastien.merigot@umontpellier.fr).
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