Verification of Unusual
Sight Record
For Utah
Rec. # 2005-41(R83)a
1983 sighting resubmitted in October 2005
Information for this record is taken from
a UFO sight record prepared 1 Sep 1983.
Common name: |
Mountain Plover |
Scientific name: | Eupoda montana (Charadrius montanus) in one filed guide |
Date: | Aug. 31, '83 |
Time: | 6:45 P.M. |
Length of time observed: | 15 min. |
Number: | 1 |
Age: | Unk. |
Sex: | Unk. Winter Light Phase |
Location: | Lake Shore - south side of Provo Bay portion of Ut. Lake |
County: | [Utah] |
Latilong: | |
Elevation: | |
Distance to bird: | 50 - 60 yards |
Optical equipment: | Tasco 7x50 binocs, Bushnell 9x36 binocs, B&L spotting scope 25x |
Weather: | Mostly clear warm (70's) est. [Prior weather] Mostly clear - some afternoon turbulence. Five - six days since any major disturbance. |
Light Conditions: | Very Good - sun low in west |
Description: Size of bird: | |
(Description:) Basic Shape: | |
(Description:) Overall Pattern: | |
(Description:) Bill Type: | |
(Description:)
Field Marks and Identifying Characteristics: |
Size - 7 1/2" - 8" there were Killdeer close by to compare with *
this species was just slightly smaller & slightly slimmer. Colors - Fairly nondescript, tannish brown back, wings & head. Stomach or belly white, buffy breast. Head- Indistinct white facial markings with faint white line over eye Throat - white. Legs - Pale, greenish-yellow legs Crown - a bit darker tan than back & wings Beak - Short, darkish & not as thick at base as Am. Golden or Black-bellied Plovers. It wasn't needle-like like a yellowlegs or a phalaropes bill. Wings - Tannish. No visible barring, mottling or stripe. Did not cause it to fly. [Field marks which were not seen. Why not?] Thin, white wing-stripe Black tail band with white border. Bird didn't fly. We didn't want to spook it; give others a chance to observe it. |
Song or call & method of delivery: | No sound emitted |
Behavior: | Was feeding alone in an area near edge of lake with Killdeer nearby, but no interaction was observed between them. The Mt. Plover would run quickly a couple of feet, stop, look at ground & then quickly "catch" a food item from surface of dry or slightly wet ground. It never went into the water. When we attempted to move closer it would move quickly away & then would bob its head. More accented bobbing motion than any other plover I have observed. Tail & posterior part of body did not bob at all. |
Habitat: | Exposed mud flat with salt grass scattered & to a length of about 4-6 inches. Other shorter species of grass also. Wasn't really a mud flat, but portion of field exposed by receding waters of Ut. Lake. |
Similar
species and
how were they eliminated: |
Lacked any distinct breast bands, more yellowish legs than Killdeer. Back
was not mottled as in black-bellied or Golden Plovers. Uniformly
tan. Dave & I watched this bird for apr. 15 min. in excellent light after conditions (see below [drawing of sun behind observers]), with sun almost to our backs & low in sky (late P.M.) coloration was drab (just like the rendition in Robbins, & even though a couple of good field marks were not observed, there isn't another plover it could have been. It was too large for any peep (there were 100's of Westerns & 4-5 Baird's around with which to compare) & too small for yellowlegs. Due to lack of mottling on back & slight smudge across breast we felt confident of I.D. |
Previous
experience with this & similar species: |
Plenty of experience with Killdeer & Spotted Sandpiper. Wasn't either of
these. Very minimal with winter-plummaged plovers such as Golden & Black-bellied. None with Mt. Plover - "lifer" |
References consulted: | |
Description from: | Notes made later from memory |
Observer: | Merrill Webb |
Observer's address: | 1063 East 400 No., Orem, UT. 84057 [phone] 801-224-6113 |
Observer's e-mail address: | |
Other observers who independently identified this bird: | David Fischer, 177 Starcrest Dr. Orem. 224-3254 |
Date prepared: | Sept. 1, 1983 |
Additional material: | |
Additional comments: |