Facts about Winter Wren

1. 08

   Male wrens construct five or more unlined nests within a single territory, allowing his mate to select one and finish it with feathers and moss.

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2. 07

   Troglodytes hiemalis pairs remain bonded year-round, with males defending territories even during winter months when females may roost separately in sheltered cavities.

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3. 06

   Winter Wrens cache food items in tree crevices and bark crevices during autumn months to sustain themselves through winter when insects become scarce in their woodland habitats.

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4. 05

   Only 3.5 inches long, Winter Wrens weigh between 7 and 12 grams yet migrate thousands of miles annually between North American breeding and wintering grounds.

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5. 04

   A male Winter Wren can sing up to 10 different song types during breeding season to establish territory and attract mates across its woodland habitat.

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6. 03

   Within forest understories, Winter Wrens build domed nests with multiple dummy entrances to confuse predators and increase offspring survival rates.

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7. 02

   Across its North American range, the Winter Wren has adapted into two distinct subspecies that differ in plumage darkness and geographic distribution patterns.

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8. 01

   The Winter Wren produces over 600 decibels of sound relative to its tiny 3.5-gram body weight, making it one of the loudest birds per unit mass.

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