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Facial Scars as Indicators of Aggressive Behaviour and Sexual Maturity in Tyrannosaurs

Royal Tyrrell Museum of Palaeontology via YouTube

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This research presentation examines healed facial bite marks in tyrannosaurs as evidence of interspecific aggression, ritualized behavior, and socio-sexual maturity. It compares fossil data with living animal analogs and discusses unresolved questions about sex, sociality, and the purpose of these interactions.

Syllabus

Introduction
Data
Survey
Hypothesis
Left vs Right
Size
Distribution of bite marks
Comparison to living animals
Comparison to alligators
Comparison to alligator
Comparison to water dragon
Observations
Analogs
Literature Survey
Summary

Taught by

Royal Tyrrell Museum of Palaeontology

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