bio3176-parental care (short) 2015 - adam oliver...

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BIO 3176: Animal Behaviour BIO 3176: Animal Behaviour 1

Parental Care

BIO 3176: Animal Behaviour BIO 3176: Animal Behaviour

Cost-Benefit of Parental Care

2

Fig. 9.1


Material Resources and Care

3

Fig. 9.4

2


Costs of Parental Care

4

Fig. 9.6


Benefits of Kin Recognition

5

Fig. 9.12


Darwinian Puzzle: Adoption

6 Fig. 9.15

3


Brood Parasites

7


Honest Signal Hypothesis

8


Breaking the Code

9 Fig. 9.16

4


Code Breakers

10


Size of Chick Advantage

11

Fig. 9.21


Fig. 12.20

Mafia Hypothesis Fig. 9.25

5


Testing the Mafia Hypothesis

13

Fig. 9.26


Parental Favouritism

14

Fig. 9.27


Parental Favouritism

15

Fig. 9.28

6


Siblicide in Egrets

16


Fitness of Siblicide ●  3 offspring (A,B,C), each

capable of 3 young per brood ●  Offspring A kills offspring B,

has 5 young in brood ●  Result: A wins, B loses – Offspring C: 5 niece/nephews

instead of 6 – Parent: 8 grandchildren instead

of 9 ●  Parent-Offspring Conflict

17 Fig. 9.29


Parental Intervention

18

Figs. 9.30 & 9.31

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Reproductive Value of Offspring

19

Figs. 9.32 & 9.33


Parental Care in Coots

20


Testing Reproductive Value Hyp

21

Fig. 9.34

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Questions?

bio3176-parental care (short) 2015 - adam oliver...

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