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Echolocation behavior of big brown bats, Eptesicus fuscus, in the field and the laboratory.
- A. Surlykke, C. Moss
- Physics, MedicineThe Journal of the Acoustical Society of America
- 14 November 2000
Echolocation signals were recorded from big brown bats, Eptesicus fuscus, flying in the field and the laboratory, and in the terminal phase of insect capture sequences, where Fmin decreased with decreasing signal duration.
Echolocating Bats Cry Out Loud to Detect Their Prey
It is concluded that for bats with similar hunting habits, prey detection range represents a unifying constraint on the emitted intensity largely independent of call shape, body size, and close phylogenetic relationships.
Active Listening for Spatial Orientation in a Complex Auditory Scene
Adaptive temporal control of vocal–motor behavior in an echolocating bat, Eptesicus fuscus, as it captured tethered insects close to background vegetation is reported on.
Auditory Relationships to Size in Noctuid Moths: Bigger Is Better
How Some Insects Detect and Avoid Being Eaten by Bats: Tactics and Countertactics of Prey and Predator
The aim with this review is to present the complex interactions between echolocating bats and insects with bat-detecting ears and show how these interactions may be advantageous for predator or prey.
Acoustic scanning of natural scenes by echolocation in the big brown bat, Eptesicus fuscus
SUMMARY Echolocation allows bats to orient and localize prey in complete darkness. The sonar beam of the big brown bat, Eptesicus fuscus, is directional but broad enough to provide audible echo…
Echolocating bats emit a highly directional sonar sound beam in the field
- A. Surlykke, S. Boel Pedersen, Lasse Jakobsen
- Biology, MedicineProceedings of the Royal Society B: Biological…
- 2 December 2008
Directionality of echolocation calls of the trawling Daubenton's bat, Myotis daubentonii, flying over a pond in its natural habitat was measured and the relationship between frequency and directionality can be explained by the simple piston model.
Sperm whale clicks: directionality and source level revisited.
- B. Møhl, M. Wahlberg, P. Madsen, L. Miller, A. Surlykke
- Geology, MedicineThe Journal of the Acoustical Society of America
Previously published properties of sperm whale clicks underestimate the capabilities of the sound generator and therefore cannot falsify the Norris and Harvey theory.
Vespertilionid bats control the width of their biosonar sound beam dynamically during prey pursuit
- Lasse Jakobsen, A. Surlykke
- Biology, MedicineProceedings of the National Academy of Sciences
- 19 July 2010
Directionality is proposed as an explanation for the frequency decrease observed in the buzz of aerial hawking vespertilionid bats and dynamic control of beam width in both species is demonstrated.
Hearing in Notodontid Moths: a Tympanic Organ with a Single Auditory Neurone
- A. Surlykke
- 1 November 1984
Notodontid moths seem to show the same 'bimodal' evasive behaviour as noctuids, and this behaviour can be explained on the basis of intensity parameters, since only low intensity stimuli will give the notodontids directional information.