Loxia
leucoptera
(White-winged Crossbill)
Physical
Description:
Two distinct
white wing bars on a bird with a crossed bill. Adults males
are red overall, pinker in the winter. Young males are yellow and females are
mottled with a yellowish-gray belly and rump. Juveniles are streaked
on the head and front, and thinner wing bars.
Similar species- Red Crossbill, Pine Grosbeak.
Song:
Flight call is rapid series of "chet" calls, song combines
harsh rattles and musical warbles.
Distribution:
Alaska
and the Yukon to central Manitoba and irregularly south along the Rockies to
Utah and Colorado. In Idaho it has nested in the Selkirks north of Sandpoint,
and probably in the Yellowstone area.
Habitat:
Information is
not available at this time.
Diet:
Conifer
seeds, but also seeds of deciduous trees, grasses, berries, and insects. They
have a fondness for salt and frequently are killed along salted roads.
Ecology:
An irruptive
species that moves with the cone crops, and nests where they are plentiful.
They usually breed in the late winter and spring, and the male feeds the female
by regurgitation. In winter they move in flocks of 12-50 birds, sometimes with
Red Crossbills and Pine Grosbeaks.
Reproduction:
monogamous
. Female builds a cup nest
in a conifer branch where she lays 2-5 eggs. Only the female incubates
for 12-14 day, when she
is fed by her mate.
Conservation:
| Element Code: | ABPBY05020 |
| Status: | Protected nongame species |
| Global Rank: | G5 |
| State Rank: | S1 |
| National Rank: | N5 |
Important
State References:
No references are available at this time.