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Scientific publications

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Peer-reviewed publications

Scheer, M. & Ritter, F. (submitted) Underwater bow-radiated noise characteristics of three types of ferries: implications for vessel-whale collisions in the Canary Islands, Spain.

Scheer, M., Alves, L. C. Pinto de Sá, Ritter, F., Azevedo, A. de Freitas & Andriolo, A. (in press) Behaviors of botos and short-finned pilot whales during close encounters with humans: management implications derived from ethograms for food-provisioned versus unhabituated cetaceans.

Scheer, M. (2013) Call vocalizations recorded among short-finned pilot whales (Globicephala macrorhynchus) off Tenerife, Canary Islands. Aquatic Mammals 39(3): 306-313. DOI: 10.1578/AM.39.3.2013.306 (...pdf... and cover photography of volume 39(3) ...here...)

Scheer, M. (2010) Review of self-initiated behaviors of free-ranging cetaceans directed towards human swimmers and waders during open water encounters. Interaction Studies 11(3): 442–466.
DOI: 10.1075/is.11.3.07sch (...pdf...)

Scheer, M., Hofmann, B. & Behr, I.P. (2004) Ethogram of selected behaviors initiated by free-ranging short-finned pilot whales (Globicephala macrorhynchus) and directed to human swimmers during open water encounters. Anthrozoös 17(3): 244-257. DOI: 10.2752/089279304785643267 (...pdf...)

Hofmann, B., Scheer, M. & Behr, I.P. (2004) Underwater behaviors of short-finned pilot whales (Globicephala macrorhynchus) off Tenerife. Mammalia 68(2-3): 221-224. DOI: 10.1515/mamm.2004.020 (...pdf... and cover photography of volume 68(2-3) ...here...)


Conference presentations, thesis and reports

Scheer, M. & Ritter, F. (2013) Underwater bow-radiated noise characteristics of three types of ferries: implications for vessel-whale collisions in the Canary Islands, Spain. IWC Document SC/65a/HIM01 (11 pp) presented during the International Whaling Commission meeting, Jeju, Republic of Korea, June 2013. (...pdf...)

Scheer, M. & Ritter, F. (2013) Underwater bow-radiated noise characteristics of three types of ferries: implications for vessel-whale collisions in the Canary Islands, Spain. Poster presented at the annual conference of the European Cetacean Society, Setubal, Portugal, April 2013. (...pdf...)

Scheer, M. (2012) Catalogue of repetitive call vocalizations recorded among assemblages of short-finned pilot whales off Tenerife during two field seasons (1996 and 2001). Report to the Viceconsejería de Medio Ambiente, Gobierno de Canarias, La Laguna, Tenerife (Spain). 34 pages (...pdf...)

Scheer, M., Hofmann, B. & Behr, I.P. (2003) Vocalizations of free-ranging short-finned pilot whales (Globicephala macrorhynchus ) off Tenerife: signal repertoire and characteristics. European Research on Cetaceans 17 (...pdf...)

Scheer, M. (1999) Vocalizations and behavior of short-finned pilot whales (Globicephala macrorhynchus) off the SW coast of Tenerife. Diploma Thesis, University of Bremen, Germany. 129 pages (german language). (...pdf...)

Scheer, M., Hofmann, B. & Behr, I.P. (1998) Discrete pod-specific call repertoires among short-finned pilot whales (Globicephala macrorhynchus) off the SW coast of Tenerife, Canary Islands. Abstract World Marine Mammal Science Conference, 20-24. January, Monaco by European Cetacean Society and Society for Marine Mammalogy. (...pdf...)

Scheer, M., Hofmann, B. & Behr, I.P. (1998) Interactions between whale watching vessels and short-finned pilot whales (Globicephala macrorhynchus) off the sw coast of Tenerife, Canary Islands: behavioural implications. Unpublished report to the Viceconsejería de Medio Ambiente, La Laguna, Tenerife. 41 pages.

Scheer, M. (1998) Acoustic communication of cetaceans: studies on their vocalizations and experiments on language capacities. Unpublished report to the Hanse-Wissenschaftskolleg, Delmenhorst. 51 pages (german language).


Popular publications

Scheer, M. (2011) Swim encounters with wild whales and dolphins: a mutual pleasure? The Whale and Dolphin Magazine 1 (2) (...pdf...)

Scheer, M. (2008) Can dolphins heal? New scientific insights into dolphin-assisted therapy. Krankendienst 7: 208-211 (german language). (...pdf...)

Scheer, M. (2005) Healing dolphin behavior: between science and speculation. Krankendienst 7: 177-181 (german language). (...pdf...)


Pilot-whales.org research results and photographs have been published in several popular media such as newspapers, magazines and books. Click (...here...) for an overview.

Field Experience

2013
Behavior of grey and harbour seals during in-water encounters with human swimmers
Helgoland, Germany

2012
Ferry noise recording and implications for vessel-whale collisions
Behavior of several species during in-water encounters with human swimmers
(mainly short-finned pilot whales, bottlenose dolphins)
La Gomera, Canary Islands
(Permit No. 01/37121/Ministerio de Agricultura, Alimentación y Medio Ambiente)

Behavior of seals
Helgoland, Germany

2001
Behavior and acoustics of short-finned pilot whales
Behavior of short-finned pilot whales during in-water encounters with human swimmers
Tenerife, Canary Islands
(Permit No. #181/Salida:37.221/Viceconsejeria de Medio Ambiente)

1999
Behavior and acoustics of short-finned pilot whales
Tenerife, Canary Islands
(Permit No. #04/07/ADL/JLR/120/404/Salida:1598/Viceconsejeria de Medio Ambiente)

1997
Behavior of a solitary bottlenose dolphin during in-water encounters with human swimmers
Nuweiba, Egypt

1996
Behavior and acoustics of short-finned pilot whales
Behavior of short-finned pilot whales during in-water encounters with human swimmers
Tenerife, Canary Islands
(Permit No. #04/07/TAB/JLR/Salida:853/Viceconsejeria de Medio Ambiente)

1995
Behavior of Amazon botos and Sotalias
Rio Ucayali, Peru

1994
Behavior and acoustics of short-finned pilot whales
Tenerife, Canary Islands

1993
Volunteer at Tethys Research Institute
Socio-ecology of bottlenose dolphins off Croatia

Behavior of a solitary bottlenose dolphin during in-water encounters with human swimmers
Nuweiba, Egypt

Semi-captive bottlenose dolphins
Dolphin Reef, Eilat, Israel