Yellow-headed blackbirds live in marshes with an abundance of emergent vegetation. They are slightly bigger than red-winged blackbirds and will drive them into the drier areas of the marsh. The female builds a nest in cattails or sedges a few feet above the water. To build their nests, yellow-headed blackbirds use wet grass and sedge leaves, materials that shrink as they dry and make the nest sturdy and secure. Four eggs are laid in the nest, and when they hatch, the males are so protective of the babies that they will fly at and strike a human intruder.

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Explore More: Working Landscapes
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