Feature evaluation for unsupervised bioacoustic signal segmentation of anuran calls.

•Comparison of acoustic features for unsupervised segmentation of anuran calls.•Information Theory Quantifiers evaluation for bioacoustic signals description.•Separation of different patterns in temporal series using Permutation Entropy.•Simulation and evaluation of the impact of colored noises on signal segmentation.•Low-cost method for Wireless Acoustic Sensor Networks.