To become queens, these ants shrink their brains and inflate their ovaries (then they invert it)

Even under ants, royal status is usually a hereditary matter. But for Indian jumping ants, a chance to wear the crown is worth losing some brains for — especially since you can always grow it back later.

Unlike other ant species, Indian jumping ants (Harpegnathos saltator) do not die with their queens. Instead, selected women take part in month-long aerial boxing matches to decide who will be the next matriarch. The victorious female then expands her ovaries and shrinks her brain to three-quarters of its original size.

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