Download Sociality: The Behaviour of Group-Living Animals by Ashley Ward, Mike Webster PDF

By Ashley Ward, Mike Webster

The final decade has obvious a surge of curiosity between biologists in a number social animal phenomena, together with collective behaviour and social networks. In ‘Animal Social Behaviour’, authors Ashley Ward and Michael Webster combine the main up to date empirical and theoretical learn to supply a brand new synthesis of the sphere, that's aimed toward fellow researchers and postgraduate scholars at the subject. ​

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Extra resources for Sociality: The Behaviour of Group-Living Animals

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1994; Olsen et al. 1998). 5 The Sensory Bases of Sociality 23 that are important in social recognition. Matsumura and co-workers’ (2004) study on marine striped catfish (Plotosus lineatus) identified a phosphatidylcholine molecular species in the fish’s mucus that is used in familiar group recognition. Chemical cues are unlike other recognition cues in that they persist to an extent over time. For this reason, many animals tend to use them to advertise their presence in the environment by so-called scent marking.

2010), while Canada geese (Branta canadensis) in flight have an NND (from the centre of each bird) of between 4 and 5 body lengths and flying starlings (Sturnus vulgaris) in flocks maintain an NND of between around 3 and 7 body lengths (Ballerini et al. 2008; Major and Dill 1978). In addition to adjusting their behaviour through forces of attraction and repulsion to maintain preferred NNDs in a group, it has been assumed that the kind of coordinated and polarised behaviour seen in groups must result from individuals aligning with near neighbours.

While acoustic cues may enable individual recognition in some species, in others they may facilitate a more general form of recognition. For example, Wilkinson and Boughman (1998) reported that greater spear-nosed bats (Phyllostomus hastatus) 22 2 Mechanisms: Social Recognition and Social Organisation call at the outset of foraging trips, possibly to first establish and then maintain social groups over the course of the trip. But while the calls of bats from the same roosts converge to form a group-specific call ID, there is no evidence that the calls facilitate individual recognition (Boughman and Wilkinson 1998).

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