April 6, 2017 – Bewick’s Wren (Thryomanes bewickii)

Found in the western United States and into Mexico, these wrens’ range previously extended into the eastern US, where they may have been displaced by House Wrens. They eat insects and other invertebrates, including their eggs, larvae, and pupae, along with some seeds, fruit, and other plant foods. Males begin the nest construction, but females usually do an equal share of the building. They use a variety of plant and animal materials, including sticks, grasses, spider egg cases, feathers, and snake skins, to build the nests in cavities or on ledges. Males sing to defend their territories, learning their songs from neighboring adult males when they are between the ages of one and two months.

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