Animal Societies - lectures Flashcards Preview

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Flashcards in Animal Societies - lectures Deck (10):

2 types of Groups

1. Temporary e.g flocks and herds

2. Permanent e.g societies


What are 6 benefits of grouping

1. Protection from predation
2. Defence of food
3. Information sharing
4. Thermoregulation
5. Access to mates
6. Help with rearing infants


What is the solitary forager

No associations other than for sex and reading infant


What is gregariousness

Come together temporarily
Cost benefit when it comes to when it be social


What is a constantly social animal

Apes - associate with each other all the time


How do groups form

1. Retain offspring

2. Form intersexual bonds

3. Join with same sex individuals


What determines access to kin

1. Dispersal patterns

2. Reproductive patterns

3. Demography


What are the 5 times of interactions between individuals

1. Affiliative - grooming, playing
2. Parental - infant care
3. Sexual - mating
4. Aggressive - contests and avoidance
5. Reconciliation


What is a fission-fusion group

Individuals react, have relationships and knowledge but who associates who varies over time and due to activities

E.g elephants are fluid


What is outbreeding

1 or both sexes should disperse from natal breeding group

Inbreeding is better than not breeding - even though it’s high risk