Fig. 1
From: Echolocating bats can adjust sensory acquisition based on internal cues
Bats fly without feedback. a Flight trajectory of four R. ferrumequinum. Flight altitude (above ground) is color coded on the map. Insert shows a zoom in on the ridge crossed by two of the bats. b Flight altitude of the four bats over time. Three of the four bats flew above 40 m for a few minutes at some point during the night, mainly when flying over a ridge that turns into a deep valley (see map in a to examine these occasions)