HOUSE WREN


Troglodytes aedon


Description:

When this bird wants to nest, it wants to nest. When looking for a nest site, this bird will evict another hole-nesting species by throwing out the competitors nest, eggs, and even young. It may even injure or kill the other bird. And if it cannot operpower its competitor, the wren will try to anoy it by filling the other bird's nest with its own nesting material.


Appearance:

All brown bird. Dusky brown above, paler underparts. Short tail held in a cocked position above it's back. Sexes similiar. 4.5 to 5.25 inches in length.


Habitat:

Woodland edges, farmlands, and backyards.


Nesting:

5-8 white eggs with many brown speckles and a 13 day incubation period. Fledging occurs 12-18 days after hatching. The nest is an open cup made from grass and sticks, and lined with feathers and other soft material. The nest is built in a cavity or man-made bird box.


Observed Locations:

  • Lake Murray, La Mesa
  • Mission Trails Regional Park, San Diego (breeds here)


  Listen To This Bird ( mp3 )
         Song #1




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