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Lecture 20

PSYO 2160 Lecture Notes - Lecture 20: Bush Dog, Canidae, Dhole


Department
Psychology
Course Code
PSYO 2160
Professor
Prof.Dubois
Lecture
20

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March 9, 2015
Cuon alpinus: Dholes
Type I, II, III, IV
Types III and IV  Coordinated style of hunting
Type one: Solitary hunters, transient family, temporary pairs.
Summary for Canids: Emergent social and reproductive characteristics
Monogamy
Parental care: Paternal care
Alloparental care: From occasional helpers to true cooperative
breeding
Family systems:
oImmediate or nuclear family: foxes, coyotes
oExtended family: wolves, African wild dogs
oCongregation of families (clan system): Dholes
From mating system to social system:
Most vulpines fox like canids are monomorphic, more aggressive
than playful
Most canines such as coyotes and jackals, oligomorphic, equally
social and aggressive
Wolf African dog, bush dog, Dholes, are poly morphic, little
aggression very social
Need individuality to have a social system and for natural
selection to work.
More competitive in the social species of foxes. The grade I
animals leave early because there isn’t much of a social thing
going on. Increased aggression between the mother and younger
kids leads to this.
Monogamy in mammals 1:
Marsupialia (marsupials): a few species
Macroscelidae (elephant shrews): a few species
Chiroptera (bats_: false vampire bats
Lagomorpha such as hares, rabbits, pikas: a few species
Rodentia (rodents):
oSciuromophs squirrel like: Castoridae (beavers)
oMyomorphs (mouselike): Some voles and mice, gerbils,
spiny mice
Old8eld mice
oHystricomorphs (porcupinelike): ?
Monogamy in mammals 2:
Cetacea (whales dolphins and shit): a few spcies
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