Why is it so hard to tell the sex of a dinosaur?

cfabbro
2024-02-23T19:53:13Z

Link URL: https://www.youtube.com/watch?v=07fd4fmgwQA

Comments URL: https://tildes.net/~science/1egd/why_is_it_so_hard_to_tell_the_sex_of_a_dinosaur

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