Lecture 4a- Social Organisation Flashcards

1
Q

Poole (1985) criterea for classifying mammalian social systems? (4)

A

1) Spacial distribution of males and females relative to one another
2) Presence/Absence of territoriality
3) Presence/Absence of amicable associations between individuals
4) Patterns of mating and reproductive output

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2
Q

3 different types of solitary social system?

A

Inter- sexual territory
Intra- sexual territory
Non-territorial

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3
Q

Example of inter- sexual territory?

A

Short-tailed shrew

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4
Q

Example of intra- sexual territory?

A

Stoat

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5
Q

Example of non- territorial?

A

Virginia Opossum

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6
Q

Most mammals are..

A

Solitary

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7
Q

What is social monogamy?

A

Where one male spatially associated with one female

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8
Q

What is genetic monogamy?

A

Where one male sires all offspring of one female

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9
Q

What are the three types of monogamous social systems in mammals?

A

Grade 1, Grade 2, Grade 3

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10
Q

What is a grade 1 monogamous society?

A

Male and female defend a common territory

Young driven out after weaning

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11
Q

Example of a grade 1 monogamous species?

A

Klipspringer

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12
Q

What is a grade 2 monogamous society?

A

Male and female defend a common territory

Young not driven out after weaning

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13
Q

Example of a grade 2 monogamous species?

A

Beaver

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14
Q

What is a grade 3 monogamous society?

A

Multi female and multi male group

Single pair breed

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15
Q

Example of a grade 3 monogamous species?

A

Grey wolf

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16
Q

What is a harem?

A

One male monopolises a group of females

17
Q

What is a dispersed harem?

A

One males range encompasses home range of several females

Exclusive mating rights

18
Q

Example of species with dispersed harem?

A

Bushbabies

19
Q

What is a rookery?

A

Females attracted to restricted areas specially for breeding

Male defends group of females

20
Q

Example of species with rookery

A

Fur seals

21
Q

What is a temporary mobile harem?

A

Male defends mobile group of females

Females only in group for part of the year

22
Q

Example of species with temporary mobile harem

A

Red deer

23
Q

Two types of permanent mobile harem?

A

Non-female bonded harem

Female bonded harem

24
Q

What is a non-female bonded harem?

A

Females leave their natal units and are attracted to a male who may or may not already have a harem

25
Q

Example of a non-female bonded harem?

A

Hamadryas baboon

26
Q

Example of a female-bonded harem?

A

Common lagur

27
Q

What are the 6 types of multi-male, multi-female groups?

A

a) COLONY e.g. black tailed prairie dog
b) HERD e.g. African buffalo
c) FEMALE-BONDED SOCIETY e.g. macaques
d) NON-FEMALE BONDED SOCIETY e.g. chimpanzees
e) PRIDE e.g. lions
f) NOMADIC MALES e.g. brown hyaenas

28
Q

What is a territorial male: sociable female society?

A

Breeding males territory

Groups of females home ranges overlap those of males

29
Q

Example of a territorial male; sociable female society?

A

White rhino

30
Q

What is a lek society?

A

Small territories to display to female

31
Q

Example of lek society?

A

Uganda kob

32
Q

What is a male spaced: sociable female society?

A

Breeding females non-territorial and mobile

Group of females have home ranges overlapping those of males

33
Q

What is an example of a male spaced: sociable female society?

A

Savannah elephant

34
Q

What is a eusocial society?

A

Multi-female, multi-female group

Different castes, Queen is only breeding female

35
Q

Example of a eusocial society?

A

Naked mole rats

36
Q

What is a ephermeral aggregates?

A

Multi-male, multi-female group

Groups constantly changing in size and composition

37
Q

What is an example of a ephermeral aggregates society?

A

Giraffes