- At the sound of approaching humans, a female Bewick’s Wren incubating eggs usually flushes quietly from her nest cavity, but remains nearby and scolds. Some females, however, sit tightly on their eggs even when disturbed.
- The open cup may be lined with feathers, wool, hair, or plant down, with a final inner lining of snakeskin.
- Bewick’s Wrens usually build their nests in cavities or on ledges within 30 feet of the ground. Males often begin the process, with the female contributing equally by the end.