This is a great time of the year to slow down, sit down, and contemplate answers to big questions. Like, what do honeylocusts (Gleditsia triacanthos) and pronghorns (Antilocapra americana) have in common? Why do Osage orange trees (Maclura pomifera), Kentucky coffeetrees (Gymnocladus dioicus), and avocado trees (Persea americana) have such large seed packages? In all cases, what we see now was shaped by animals that no longer exist; they are extinct.

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