Alpine Black Swallowtails will congregate in large groups, a mating behavior known as ‘hill-topping’. Most of the females in the groups are virgins who have not previously mated. Mating partners are decided after an elaborate courtship dance.
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All the species that I use are collected from sanctuaries across the US, who educate people about the importance of insects to our world, after they have passed away. - @butterflybabegallery