Field
Guide IDs: BREEDING:
Oak forest and
woodland, conif forest. 2, occ 3 broods. DISPLAYS:
Courtship: male
performs rapid flapping flight, alternating with
short glides; in tree, male bows to
female. NEST:
Usu at fork of
horizontal branch or at trunk in conif or oak tree;
crude, shallow, of crossed twigs with little or no
cross-weaving, occ lined with a few pine
needles. EGGS:
White, unmarked.
1.6" (40 mm). DIET:
Esp acorns, also
seeds. Young fed crop milk for ca. 3
weeks. CONSERVATION:
Winters s to n c
Nicaragua. Susceptible to overhunting; once nearly
exterminated. NOTES:
Usu nest as
scattered pairs. Gregarious, often seen in flocks
of dozens. Nomadic, moving in search of mast crops
(esp acorns and pinyon seeds), and likely breeding
opportunistically in response to abundant food
supplies. Irregular visitor
to campus, most often seen (occasionally in flocks)
feeding in eucalyptus or olive trees in the
Arboretum or the faculty housing areas. The erratic
nature of this species' movements, nesting periods,
and abundance are evident on campus, where it can
range from virtually absent to fairly common at any
time of year. ESSAYS: REFERENCES:
Goodwin, 1983;
Gutierrez et al., 1975; Leopold et al.,
1981.
Columba fasciata Say
NG-234; G-166;
PW-pl 23; AW-pl 347; AM(II)-138
Location
Type
Mating System
Parental Care
2ndary Diet..
Strategy
I:
18-20 DAYS
ALTRICIAL
TREE
6
feet - 30 feet
(1-2)
MONOG
MF
GRAIN
Except for Stanford Notes, the material in this species treatment is taken, with permission, from The Birder's Handbook (Paul Ehrlich, David Dobkin, & Darryl Wheye, Simon & Schuster, NY. 1988). |