The chestnut-backed chickadee nestlings fledged on May 1, 2022. On April 30, a Bewick's wren started building a nest in another nesting box.
Spring 2022 wren nest:
A pair of Bewick's wrens started building a nest on April 30, 2022, and finished it within a few days. They visited the nest briefly almost every day for about 6 weeks, but they never roosted on it or laid any eggs.
Spring 2022 chickadee nest timeline:
Nest building Mar 4-9: Nesting material brought in, 20 to 200 trips per day
Roosting starts Mar 9: Daytime away, nights on nest
Egg laying Mar 21-26: Daytime away, nights on nest; 1 egg laid per day
Incubation Mar 26 - Apr 9: Most of day and all night on nest
Hatching Apr 8-9: Most of day and all of night spent on nest
Fledging May 1: All 5 hatchlings fledged
Time lapse video, chickadee nest building, feeding, and fledging in 3+ minutes
There was a second, late-season nesting attempt that failed, probably due to lack of available food so late in the dry season:
Nest building May 18-23
Egg laying May 27-30 (4 eggs)
Incubation May 29 - June 12
Hatching June 12 (2 eggs hatched, 2 did not)
Hatchlings die June 22 & 25
Spring 2021 chickadee nest timeline:
Nest building Mar 6-16: Nesting material brought in, 20 to 200 trips per day
Roosting starts Mar 28: Daytime away, nights on nest
Egg laying Apr 5-10: Daytime away, nights on nest; 1 egg laid per day
Incubation Apr 10-23: Most of day and all of night spent on nest
Hatching Apr 23-24: Most of day and all of night spent on nest
Growing Apr 24-27: Frequent feeding and waste removal
Care crisis Apr 27-29: Care-taking crisis results in loss of the brood
Nest building May 3-6: New nest built quickly, up to 300 trips per day
Egg laying May 10-13: Daytime spent away, nights on nest; 1 egg laid per day
Incubation May 12-26: Most of day and all of night spent on nest
Hatching May 25-27: Most of day and all of night spent on nest
Growing May 26 - June 13: Frequent feeding and waste removal; rapid growth
Fledging June 16-17: Young birds leave the nest
You can view previous season activity by following the links below.