Verification of Unusual
Sight Record
For Utah
Rec. # 2006-42
Common name: |
Vaux's Swift |
Scientific name: | Chaetura vauxi |
Date: | September 17, 2006 |
Time: | 9:00 9:15 am |
Length of time observed: | 15 minutes |
Number: | 2-3 |
Age: | Adults |
Sex: | unknown |
Location: | SR-9 Hurricane Sewage Ponds |
County: | Washington |
Latilong: | 19 |
Elevation: | ~3950 |
Distance to bird: | 10-40 m |
Optical equipment: | Leica 8x42 binoculars |
Weather: | Clear, slightly windy |
Light Conditions: | sunshine |
Description: Size of bird: | |
(Description:) Basic Shape: | |
(Description:) Overall Pattern: | |
(Description:) Bill Type: | |
(Description:)
Field Marks and Identifying Characteristics: |
Relatively small swifts with deep, quick wingbeats. Body and wings dark grayish
black overall, body torpedo shaped with no apparent neck, tapering towards rear,
very short square tail. Underside of body with lighter head and throat gradually
darkening towards rear, upperside of body just the opposite with dark head
gradually lightening towards tale, palest on rump. Long thin wings, tapering
towards wingtip. Very small bill, and dark eye. (see photos) |
Song or call & method of delivery: | none heard |
Behavior: | Ridiculously quick and acrobatic flyers, repeatedly flying back and forth over pond and fairways. Very difficult to photograph these bugs. |
Habitat: | Urban golf course fairways and pond at edge of St. George |
Similar
species and
how were they eliminated: |
Chimney Swift: Eliminated by larger size, darker rump, and flight style (slower wingbeats with more gliding). |
Previous
experience with this & similar species: |
I've observed Vaux's Swifts a handful of times in Washington Co. and a few times
other places. |
References consulted: | |
Description from: | From: Notes taken at time of sighting |
Observer: | Rick Fridell |
Observer's address: | 3505 West 290 North, Hurricane, UT 84737 |
Observer's e-mail address: | rfridell@redrock.net |
Other observers who independently identified this bird: | |
Date prepared: | 9-26-06 |
Additional material: | Photos |
Additional comments: |