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Rare bird documentation form for Pacific Loon at Red Rock Reservoir, 1998
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Field notes Forms (documents)
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Birds--Identification Ornithology Rare birds
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1998-10-31
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1998-11-01
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Rare birds documentation form
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Rare bird documentation form for a Red-throated Loon at Red Rock Reservoir in Marion County, IA on October 31, 1998.
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Proescholdt, Mark
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Pacific Loon
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Red Rock Dam
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Red Rock Reservoir - Marion County
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Big reservoir just above the dam on north side
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The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Chuck Fuller. | Elimination of similar species: A Common Loon is bigger with a big bill, has light areas above and in front of eye, and a jagged heavily patterned side of the neck. Red-throated Loon has upturned bill mandibles and the division between dark and light on the neck is not nearly as defined as in a Pacific Loon. | The original documentation form event lasted from 14:45:00/15:16:00.
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Iowa Ornithologists' Union | MS 166
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32
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9
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Rare bird documentation form for Pacific Loon at Hallett's Quarry at Ames, 1999
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Field notes
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Birds--Identification Ornithology Rare birds
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1999-05-08
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1999-05-17
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Rare birds documentation form
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Rare bird documentation form for a Pacific Loon at Hallett's Quarry at Ames in Story County, IA on May 8, 1999.
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Dinsmore, James J.
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Pacific Loon
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Ada Hayden Heritage Park
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Hallett's Quarry, n. edge of Ames, Story County
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gravel pit
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The documentation form by James Dinsmore is the only one submitted and forms the basis of this record. Other observers include Kevin Healy, Roseanne Healy, Wolf Oesterreich, Hank Zaletel, Pam Allen, and Reid Allen. | Elimination of similar species: Common Loon seen next to it with side-by-side comparison. 1. No chin stripe on this bird. 2. Back of head and neck uniformly dark colored 3. White on side of head extended further forward and included the eye. Also there was a white 'bump' that extended back into dark color of side of neck. 4. Bill seemed darker than other bird and was all light colored. | The original documentation form event lasted from 13:15:00/13:45:00.
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Iowa Ornithologists' Union | MS 166
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32
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9
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Rare bird documentation form for Pacific Loon at Hallett's Quarry in Ames, 1999
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Field notes
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Birds--Identification Ornithology Rare birds
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1999-05-08
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1999-05-13
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Rare birds documentation form
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Rare bird documentation form for a Pacific Loon at Hallett's Quarry in Ames in Story County, IA on May 8, 1999.
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Overton, Michael D.
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Pacific Loon
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Ada Hayden Heritage Park
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Iowa, Story co., Ames, Hallett's Quarry
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Lake in old quarry at edge of urban residential area
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The documentation form by Michael D. Overton is the only one submitted and forms the basis of this record. Other observers include Dixie Overton, Michael Freiberg, Kevin Healy, and Hank Zaletel. | Elimination of similar species: Red-throated Loon by parallel sided bill, horizontal bill and head position, no white areas above or in front of the eye, distinct straight demarcation between light and dark areas on head and sides of neck, lack of white spots on back. Arctic Loon by presence of "chinstrap", lack of white flank patches, realistic attitude. Common Loon by smaller size, smaller parallel sided bill, rounded crown, no white areas in front of or above eye, nape lighter than back, white auricular area, distinct straight demarcation between light and dark areas on head and sides of neck. Yellow-billed Loon by smaller size, smaller parallel sided bill, rounded crown, no white areas in front of or above eye, white auricular area, distinct straight demarcation between light and dark areas on head and side of neck.| The original documentation form event lasted from 17:30:00/17:45:00.
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Iowa Ornithologists' Union | MS 166
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32
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9
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Rare bird documentation form for Pacific Loon at Hallett's Quarry at Ames, 1999
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Field notes Forms (documents)
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Birds--Identification Ornithology Rare birds
|
1999-05-12
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1999-05-31
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Rare birds documentation form
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Rare bird documentation form for a Pacific Loon at Hallett's Quarry at Ames in Story County, IA on May 12, 1999.
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Proescholdt, Mark
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Pacific Loon
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Ada Hayden Heritage Park
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Hallett's Quarry - north of Ames - (Story County)
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Large gravel pit filled with water
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The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Beth Proescholdt, Hank Zaletel, Jim Dinsmore ,Tom Kent, Russ Widners, etc. | Elimination of similar species: The chin strap, small size and small bill, and the sharp demarcation line on the side of the neck eliminate Common, Red-throated, and Yellow-billed Loons. No white flank marks eliminate Arctic Loon. | The original documentation form event lasted from 13:50:00/14:20:00.
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Iowa Ornithologists' Union | MS 166
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32
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9
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Rare bird documentation form for Pacific Loon at Hallett's Quarry at Ames, 1999
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Field notes
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Birds--Identification Ornithology Rare birds
|
1999-05-14
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1999-05-16
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Rare birds documentation form
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Rare bird documentation form for a Pacific Loon at Hallett's Quarry at Ames in Story County, IA on May 14, 1999.
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Kent, Thomas H. (Thomas Hugh), 1934-
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Pacific Loon
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Ada Hayden Heritage Park
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Hallett's Quarry, Story Co., Iowa
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large quarry pond
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The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Russ Widner and the Birdline. | Elimination of similar species: see above. The bird was not small enough for a Red-throated and did not hold the bill pointing up. | The original documentation form event lasted from 16:20:00/16:40:00.
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Iowa Ornithologists' Union | MS 166
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32
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9
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Rare bird documentation form for Pacific Loon at Red Rock Reservoir, 1999
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Field notes
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Birds--Identification Ornithology Rare birds
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1999-11-03
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N/A
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Rare birds documentation form
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Rare bird documentation form for a Pacific Loon at Red Rock Reservoir Off Whitebreast Boat Ramp in Marion County, IA on November 3, 1999.
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Fuller, James L
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Pacific Loon
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Whitebreast Recreation Area
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Red Rock Reservoir (Marion County) Off Whitebreast Boat Ramp
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The documentation form by Jim Fuller is the only one submitted and forms the basis of this record. Other observers include Tom Kent. | Elimination of similar species: Common Loon is larger with a much larger bill, lacks a chin strap, has some flatness on the top of the head, and an uneven dark-white line on the side of the neck. The crown and hindneck are also darker than the back. The Red-throated Loon has a smaller bill that is usually keeps tipped up from the horizontal. It shows much more white than dark on the neck, lacks a chin strap, and normally shows light flecking on the back. | The original documentation form event lasted from 13:30:00/13:45:00.
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Iowa Ornithologists' Union | MS 166
|
32
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9
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Rare bird documentation form for Pacific Loon at Red Rock Reservoir, 1999
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Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1999-11-06
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1999-11-10
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Rare birds documentation form
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Rare bird documentation form for a Pacific Loon at Red Rock Reservoir in Marion County, IA on November 6, 1999.
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Proescholdt, Mark
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Pacific Loon
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Whitebreast Recreation Area
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Red Rock Reservoir - (Marion County) - Whitebreast Area
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Large reservoir
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The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Beth Proescholdt and reported on the Birdline. | Elimination of similar species: Common Loons have massive bills, are much larger, and have a jagged look to their sides of the neck between dark and light colors. Red-throated Loons are paler in color and do not have that sharp dividing line on its neck but a more gradual merging of colors. | The original documentation form event lasted from 14:00:00/14:30:00 approximately.
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Iowa Ornithologists' Union | MS 166
|
32
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9
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