peak_viral on Instagram: "The post accurately describes jacana birds' sex-role reversal, where larger females mate with multiple males in a polyandrous system, while males solely incubate and raise young, as observed in species like the Northern Jacana. This behavior evolved in wetland habitats with high egg predation rates, allowing females to produce up to 12 clutches per season across harems of 1-4 males, per studies by ornithologist Stephen Emlen. The attached video depicts a male carefully