Purple Gallinule on the lily pads
Porphyrio martinica
Purple Gallinule · Everglades National Park · 6 February 2026
A Purple Gallinule walking across the lily pads in the Everglades in February. It is a bird of freshwater marsh with floating vegetation across the American South and the tropics, and the Everglades sloughs, carpeted in lily pads, are its country exactly.
The feet are the real adaptation. A Purple Gallinule's toes are enormously long relative to its body, spreading its weight widely enough to walk across floating vegetation that wouldn't support almost anything else its size - the same trick a jacana uses, arrived at independently in an unrelated family. The colour isn't pigment. Structural interference within the feather's keratin produces the blue and green, which is why it shifts so much with the angle of the light.
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