Documentation of
Curve-billed Thrasher
2022-011
Observer Information
Reporter:
Sue Riffe
Other Observers:
This bird has been seen by lots of birders over this summer. I was the only observer this morning.
Species, Date, Time and Location Information
Species:
Curve-billed Thrasher
First Date/Time:
7/11/2022 6:10:00 AM
Last Date/Time:
7/11/2022 6:15:00 AM
Duration (total time in view):
5 minutes
County:
Larimer
Specific Location:
Location Not Listed
Number:
1
Age:
Adult
Sex:
Unknown
Plumage:
Breeding
Habitat
Northcentral Larimer County in altered grass habitat for grazing. The bird was seen on a fence line at the end of a driveway with grasses and some ornamental junipers.
Viewing Conditions
Optics:
Swarovski 8x32 binoculars
Distance:
15 yards
Light:
partly cloudy just after sunrise, 63 degrees, 10 MH winds
Description of the Bird
Age/Plumage – This bird was an adult in alternate plumage
with warn feather tips.
Behavior – The bird was actively searching for breakfast from the railing of a wooden fence. I watched it for about 2 minutes until it flew into the juniper near the end of the driveway. It didn’t catch anything. Only one bird was seen.
Calls - none heard
Finder – not sure
Similar Species Discussion
Sage Thrasher – Bill was longer and
decurved vs shorter and mostly straight, buffy spots on chest vs white with
dark stripes, and no white in chin vs white.
Northern Mockingbird - Bill was longer
and decurved vs shorter and only slightly decurved, black and straight, buffy
spots on chest vs pale and no spots, brown vent vs white vent, brown overall vs
gray above and light below, tail down or in neutral position vs often cocked in
the NOMO.
Brown Thrasher - Bill was longer and
decurved vs shorter and mostly straight, buffy spots on chest vs clean white with
brown stripes, cool brownish gray vs rich reddish brown overall.
Resources Used
I
referred to the National Geographic Guide and the Sibley Guide.
Previous Experience
I have 83
sightings on eBird. I see this bird many times each year. However, this was my
first time in Larimer County!
Notes
Memory
Additional Information
Date Documentation Submitted
7/13/2022 1:04:00 PM
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Location Map
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