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BIO318Y5 Lecture Notes - Paper Wasp, Deimatic Behaviour, Ethology

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Sanja Hinic- Frlog

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BIO318 Lecture 1
- Animal behaviour
- Spotted hyena greeting ceremony
oExchange of info from signal and receiver
oHonest threat display
oTwo females with high androgen level and have pseudo penis
oThe individuals were telling each other about their status by scent
oUsing scent to judge whether female has high testosterone meaning she’s
oWhat’s the benefits for both?
- Seals video
oWhy does honest threat signals persist?
- Discussion 4.5
oOne sometimes hears that the reason why so many species resolve their
contests via mostly harmless threat signals is to reduce the number of injuries
and thereby protect the breeding adults needed to produce the next generation of
offspring. What’s the problem with this hypothesis?
Why do we cooperate?
- Levels of analysis in the study of animal behavior
oDeep croaks deter rival toads
oDeeper sound or higher pitch will emit from the mating male
oHow do we test whether this has any effect on approaching males?
- Deep croaks deter rival toads
oHonest signals happen by default
oDepending on what size the toads are, they make a certain sound
- Honest signals of size in the barking gecko
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