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Grey Seal Behaviour
10
Grey Seal Behaviour
Louise Menager, Penny Marsden, Chloe Newbery
Results
Sampling and Recording Methods
The most frequently recorded behaviour was resting which was observed at every interval.
The least common behaviour was agression which was only observed at 15 intervals.
Frequency of seal behaviour over a 60 minute scan sample
.Decide on the aim
.Conduct a preliminary observation
.Create an ethogram based on activity budgets found
.Assign roles: observe, keep time and record data
.Observe and record all behaviors displayed by a scan sample of seals at one minute intervals (interval recording) for 60 minutes
Data collection table
References
Aim
Observations
- To study maternal behaviours of grey seals, focusing on mother and pup interactions
- To find what the most typical behaviours of mother and baby seals are
- Typical behaviours that were observed -
- Resting
- Locomotion
- Pup checking
- Interacting with mother
- Suckling
BBC, 2014, Stormy Sea; Pups [online]. BBC. Available at: http://www.bbc.co.uk/nature/life/Gray_Seal#p00c4m3 [Accessed 27 November 2016]
BBC, 2014, Scent of Love [online]. BBC. Available at: http://www.bbc.co.uk/nature/life/Gray_Seal#p00c1pg1
[Accessed 27 November 2016]
Cairns, C.; Culloch, R.; Pomeroy, P.;Richards, S.; Twiss, S., 2012, Variation in Female Grey Seal (Halichoerus grypus) Reproductive Performance Correlates to Proactive-Reactive Behavioural Types, PLOS ONE, 7(11) available at:http://dx.doi.org/10.1371/journal.pone.0049598 [accessed 13 January 2017]
Hammill, M.O.; Kovacs, K.M.; Tinker, M.T., 1995, The reproductive behaviour and energetics of male gray seals (Halichoerus grypus) breeding on a land-fast ice substate, Behavioural Ecology and Sociobiology, 36, 159-170
Robinson, K.J., 2014, The Role of Oxytocin in the Maternal Behaviour of The Grey Seal (Halichoerus grypus), University of St Andrews, pp. 22-23
Preliminary Observations
- Watching videos of grey seals during the mating season
- Identified typical behaviours
- Read previous research
- Used a combination of seal videos and previous research to create an ethogram