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Investigating the effect that group size has on the vigilant behaviour of flocks of Seagulls.
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Investigating the effect that group size has on the vigilant behaviour of flocks of Seagulls. Abstract It is commonly cited in many investigations into this type of animal behaviour that animals spend their time in groups to benefit their probability of detecting predators and to decrease their time in predator detection. This experiment found that this possibly is the case confirming a definite negative correlation between group size and the percentage of the group in vigilant positions. However, although this may explain partly why birds and many other animals travel, eat, sleep e.t.c. in groups it may be that there are many other confounding variables that contribute to these findings. Introduction Animals living in groups may be benefited when it comes to detecting predators. There could be many reasons for this, the larger the group the more likely it is that some other individual will detect the predator (detection effect) thus reducing the need...
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