Species |
Nest
Construction |
Clutch Size
(#eggs) |
Incubation
Period |
Nesting Period |
Anna’s
Hummingbird |
MID-JAN to
MID-JUN: builds
cup nest; raises
young on her own |
2 eggs |
14–19 days |
20 days |
Black-capped
Chicadee |
LATE MAR to
EARLY Apr;
cavity excavated
by /;
inner nest built
by |
1-13 eggs |
12-13 days |
16 days |
Bushtit |
JAN/FEB pairs
leave flocks to
begin building a
hanging
sock-like nest |
4-7 eggs |
12 days |
14 days |
California
Scrub-Jay |
LATE FEB – LATE
MAY: basket-like
nest with inner
cup |
3-6 eggs |
17-19 days |
17-19 days |
American Crow |
EARLY to
MID-APR: / build
large bulky
nest, with inner
lined cup |
4-8 eggs |
16-18 days |
20-40 days |
Bewick’s Wren |
EARLY to
MID-MAR: initiates
nest-building, helpcomplete
it |
3-6 eggs |
14 days |
14-17 days |
Red-breasted
Nuthatch |
MID-APR to
MID-JUN: both / excavate
cavity |
5-8 eggs |
12-13 days |
18-21 days |
Steller’s Jay |
LATE MAR to LATE
JUN: / build
bulky cup nest
with inner lined
cup |
4-5 eggs |
16 days |
16 days |
Downy Woodpecker |
LATE-APR to
LATE-MAY: both /
excavate cavity
(takes 1-3
weeks) |
4-5 eggs |
12 days |
18-21 days |
Northern Flicker |
MID-APR TO
MID-MAY; / excavate
cavity |
5-10 eggs |
11-13 days |
24-27 days |
Violet-green
Swallow |
APR-JUN; built
grassy nest
inside existing
cavity |
4-6 eggs |
15 days |
23 days |
Tree Swallow |
MAR-JUN; nest
built inside
existing cavity
by |
5-7 eggs |
14 days |
16-24 days |
Chestnut-backed
Chickadee |
LATE MAR to
MID-JUN selects
cavity or nest
site; inner nest
built by |
4-10 eggs |
19 days |
18-21 days |
Pileated
Woodpecker |
LATE MAR – EARLY
MAY: takes 3-6
weeks; does
bulk of the
excavating |
4 eggs |
15-18 days |
24-31 days |
Dark-eyed Junco |
Cup nest
constructed by |
3-5 eggs |
12-13 days |
10-13 days |