Lawrence's Goldfinch
Common
Name:
Lawrence
's Goldfinch (LAGO)
Scientific
Name:
Carduelis
lawrencei
Global/Continental
Conservation Status: Not
on IUCN 2004 Red List
National-level
Conservation Status:
U.S.
– Bird of Conservation Concern
Key
Reference(s):
BNA No. 480 (Davis
1999)
Distribution:
Breeds from n-c (casually northwestern)
California
south (west of the Sierra Nevada) to s
California
, and in nw
Baja California
and (formerly) w and s
Arizona
. Winters irregularly from n-c
California, c Arizona, sw New Mexico (rarely), and w Texas (casually)
south to n Baja California (to lat. 30º S.), n Sonora, and s Arizona (AOU
1998).
Habitat
Associations:
Oak woodland, chaparral, riparian woodland, pinyon-juniper
association, and weedy areas, in arid regions but usually near water (AOU
1998).
Source(s)
of Research/monitoring Needs: California Bird
Conservation Plan (
Sierra Nevada
Range
); BNA No. 480 (Davis 1999); PIF Monitoring Needs document (Partners in
Flight Science Committee 2004)
PIF
Continental Plan Monitoring Needs Category: Mo2 (BBS trends have very
low precision)
RESEARCH/MONITORING NEEDS (source(s) of needs)
Monitoring
- Priority
monitoring action – Improve the Breeding Bird Survey (BBS) (PIF
Monitoring Needs doc)
- Second
priority monitoring action – Improve the Christmas Bird Count (CBC)
(PIR Monitoring Needs doc)
- High
priority candidate for rapid status assessment (PIF Monitoring Needs
doc)
- Study
population status, trends and distribution for chaparral-inhabiting
species including LAGO in
the foothills of the Sierra Nevada (
California
)
Habitat
Needs/Ecology/Life History
- Studies
of vocal learning in LAGO (BNA)
- What
factors determine eastward irruptions of LAGO? (BNA)
Migration
- Develop
more information on LAGO migration routes (BNA)
Wintering
- Develop
more information on LAGO wintering grounds (BNA)
- In
years when LAGO vacates its breeding grounds but does not appear in
other parts of
U.S.
, where does it go? (BNA)
Demographics
- Information
on LAGO demographics and population dynamics (including reproductive
success, number of broods per year, longevity, survivorship) (BNA)
[Link
to References]
[Link
to PIF Bird Conservation Plans]
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