Altmann, J. (1974) Observational study of behavior: sampling methods. Behavior, 49, 227–267.
Armitage, K.B. (2017) Badger predation on yellow-bellied marmots. The American Midland Naturalist, 151, 378–387.
Bates, D., Mächler, M., Bolker, B.M. & Walker, S.C. (2015) Fitting linear mixed-effects models using lme4. Journal of Statistical Software, 67, 48.
Beauchamp, G. (2015) Animal Vigilance: Monitoring Predators and Competitors. Elsevier, Amsterdam, The Netherlands.
Bejder, L., Samuels, A., Whitehead, H. & Gales, N. (2006) Interpreting short-term behavioural responses to disturbance within a longitudinal perspective. Animal Behaviour, 72, 1149–1158.
Blanchard, P. & Fritz, H. (2007) Induced or routine vigilance while foraging. Oikos, 116, 1603–1608.
Bolker, B.M., Brooks, M.E., Clark, C.J., Geange, S.W., Poulsen, J.R., Stevens, M.H.H. & Whie, J.S.S. (2009) Generalized linear mixed models: a practical guide for ecology and evolution. Trends in Ecology and Evolution, 24, 127–135.
Bradshaw, C., Fitzpatrick, B.M., Steinberg, C.C., Brook, B.W. & Meekan, M.G. (2008). Decline in whale shark size and abundance at Ningaloo Reef over the past decade: the world's largest fish is getting smaller. Biological Conservation, 14, 1894–1905.
Brown, J.S. & Kotler, B.P. (2004) Hazardous duty pay and the foraging cost of predation. Ecology Letters, 7, 999–1014.
Childress, M.J. & Lung, M. (2003) Predation risk, gender and the group size effect: does elk vigilance depend upon the behaviour of conspecifics? Animal Behaviour, 66, 389–398.
Clinchy, M., Zanette, L., Boonstra, R., Winfield, J.C. & Smith, J.N.M. (2004) Balancing food and predator pressure induces chronic stress in songbirds. Proceedings of the Royal Society B, 271, 2473–2479.
Creel, S. & Christianson, D. (2008) Relationships between direct predation and risk effects. Trends in Ecology and Evolution, 23, 194–201.
Cubero-Pardo, P., Herron, P. & González-Perez, S. (2011) Shark reactions to scuba divers in two marine protected areas of the eastern tropical Pacific. Aquatic Conservation: Marine and Fresh Water Ecosistems, 21, 239–246.
Currey, R.J.C., Dawson, S.M. & Slooten, E. (2009) An approach for regional threat assessment under IUCN Red List criteria that is robust to uncertainty: the Fiordland bottlenose dolphins are Critically Endangered. Biological Conservation, 142, 1570–1579.
Dans, S.L., Crespo, E.A., Pedraza, S.N., Degrati, M. & Garaffo, G.V. (2008) Dusky dolphin and tourist interaction: effect on diurnal feeding behavior. Marine Ecology Progress Series, 369, 287–296.
Frid, A. & Dill, L. (2002) Human-caused disturbance stimuli as a form of predation risk. Ecology and Society, 6, 11–26.
Gelman, A. (2008) Scaling regression inputs by dividing by two standard deviations. Statistics in Medicine, 27, 2865–2873.
Graham, R.T. (2007) Whale sharks of the western Caribbean: an overview of current research and conservation efforts and future needs for effective management of the species. Gulf and Caribbean Research, 19, 149–159.
Hernández-Nava, M.F. & Alvarez-Borrego, S. (2013) Zooplankton in a whale shark (Rhincodon typus) feeding area of Bahía de los Ángeles (Gulf of California). Hidrobiológica, 23, 198–208.
Ketchum, J.T., Galván-Magaña, F. & Klimley, A.P. (2013) Segregation and foraging ecology of whale sharks, Rhincodon typus, in the southwestern Gulf of California. Environmental Biology of Fishes, 96, 779–795.
Kovacs, K.N. & Innes, S. (1990) The impact of tourism on harp seals (Phoca groenlandica) in the Gulf of St. Lawrence, Canada. Applied Animal Behaviour Science, 26, 15–26.
Lavaniegos, B.E., Heckel, G. & Ladron de Guevara Porras, G. (2012). Seasonal variability of copepods and cladocerans in Bahía de los Ángeles (Gulf of California) and importance of Acartia clausi as food for whale sharks. Ciencias Marinas, 38, 11–30.
Lima, S.L. (1998) Nonlethal effects in the ecology of predator-prey interactions. BioScience, 48, 25–34.
Lusseau, D. (2004) The hidden cost of tourism: detecting long-term effects of tourism using behavioral information. Ecology and Society, 9, 2.
Lusseau, D., Slooten, L. & Currey, R.J.C. (2006) Unsustainable dolphin-watching tourism in Fiordland, New Zealand. Tourism in Marine Environments, 3, 173–178.
Mau, R. & Wilson, E. (2005) Industry trends and whale shark ecology based on tourism operator logbooks at Ningaloo Marine Park. In The First International Whale Shark Conference: Promoting International Collaboration in Whale Shark Conservation, Science and Management (eds Irvine, T.R. & Keesing, J.K.), p. 116. CSIRO, Canberra, Australia.
Nelson, J.D. & Eckert, S.A. (2007) Foraging ecology of whale sharks (Rhincodon typus) within Bahía de Los Angeles, Baja California Norte, México. Fisheries Research, 84, 47–64.
Pirotta, E., Merchant, N.D., Thompson, P.M., Barton, T.R. & Lusseau, D. (2015) Quantifying the effect of boat disturbance on bottlenose dolphin foraging activity. Biological Conservation, 181, 82–89.
R Development Core Team (2013) R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing, Vienna, Austria.
Rodríguez-Dowdell, N., Enríquez-Andrade, R. & Cárdenas-Torres, N. (2007) Property rights-based management: whale shark ecotourism in Bahia de Los Angeles, Mexico. Fisheries Research, 84, 119–127.
Ronher, C.A., Armstrong, A.J., Pierce, S.J., Prebble, C.E.M., Cagua, E.F., Cochran, J.E.M. et al. (2015) Whale sharks target dense prey patches of sergestid shrimp off Tanzania. Journal of Plankton Research, 37, 352–362.
Samia, D.S.M., Blumstein, D.T., Stankowich, T. & Cooper, W.E. (2016) Fifty years of chasing lizards: new insights advance optimal escape theory. Biological Reviews, 91, 349–366.
Sanzogni, R.L., Meekan, M.G. & Meeuwig, J.J. (2015) Multi-year impacts of ecotourism on whale shark (Rhincodon typus) visitation at Ningaloo Reef, Western Australia. PLoS ONE, 10(9), e0127345.
Scheidat, M., Castro, C., González, J. & Williams, R. (2004) Behavioural responses of humpback whales (Megaptera novaeangliae) to whale watching boats near Isla de la Plata, Machalilla National Park, Ecuador. Journal of Cetacean Research and Management, 6, 63–68.
Senigaglia, V., Christiansen, F., Bejder, L., Gendron, D., Lundquist, D., Noren, D.P. et al. (2016). Meta-analyses of whale-watching impact studies: comparisons of cetacean responses to disturbance. Marine Ecology Progress Series, 542, 251–263.
Sih, A. & Mccarthy, T.M. (2002) Prey responses to pulses of risk and safety: testing the risk allocation hypothesis. Animal Behaviour, 63, 437–443.
Sinclair, A.R.E. & Arcese, P. (1995) Population consequences of predation-sensitive foraging: the Serengeti wildebeest. Ecology, 76, 882–891.
Winnie, J.A. & Creel, S. (2007) Sex-specific behavioural responses of elk to spatial and temporal variation in the threat of wolf predation. Animal Behaviour, 73, 215–225.