| UID |  | 
			
				| Digital Object Type | Rare birds documentation form | 
			
				| Content DM Link | https://n2t.net/ark:/87292/w9k649w0j | 
			
				| Type | Text | 
			
				| Description | Rare bird documentation form for a Black-legged Kittiwake at Cedar Lake in Linn County, IA on November 1, 1991. | 
			
				| Related Genres | Field notes | 
			
				| Sort Date | 1991-11-01 - 1991-11-04 | 
			
				| People / Organizations |  | 
			
				| Time | 1:30 PM | 
			
				| Rights | This Item is protected by copyright and/or related rights. However, for this Item, either (a) no rights-holder(s) have been identified or (b) one or more rights-holder(s) have been identified but none have been located. If you have any information that can contribute to identifying or locating the rights-holder(s) please notify the Iowa State University Library Digital Initiatives Program (digital@iastate.edu). (Rightsstatements.org InC-RUU 1.0). The original object is available at the Iowa State University Library Special Collections and University Archives (archives@iastate.edu). | 
							
					| Data Access Rights | http://vertnet.org/resources/norms.html | 
				
					| Data License | http://creativecommons.org/publicdomain/zero/1.0 | 
						
				| Collection | Iowa Ornithologists' Union | MS 166 | 
			
				| Box | 34 | 
			
				| Folder | 40 | 
			
				| Contributing Institution | Iowa State University Library Special Collections and University Archives | 
			
				| Creator / Author | Johnson, Ann | 
			
				| Contributors | Brown, Beth Schantz, Tim Sinclair, Jim | 
			
				| Topics | Birds--Identification Ornithology Rare birds | 
			
				| Birds | Black-legged Kittiwake | 
			
				| Locations | Cedar Lake | 
			
				| Map | 
 | 
							
					| Verbatim Locality | Cedar Lake, Cedar Rapids, Linn County, IA | 
				
					| Location Remarks | The documentation forms do not include georeferences | 
				
					| Habitat | Lake formed by backwater of Cedar River | 
						
				| Extent | 1 page | 
			
				| Language(s) | eng | 
			
				| Bibliographic Citation |  | 
							
					| Information Withheld |  | 
				
					| Individual Count | 1 | 
				
					| Occurrence Remarks | The documentation form by Ann Johnson is the only one submitted and forms the basis of this record. Other observers include Beth Brown, Tim Schantz, and Jim Sinclair. | Elimination of similar species: A first winter Bonaparte's Gull, the most likely gull to be confused with this bird, was eliminated by the presence of a distinct black collar, black outer primaries, and white trailing edge of the wings. Other gulls which show a distinct "M" in flight include Little - eliminated by gray richer than brown mantle, lack of cap, pure white secondaries, and size; Ross's - eliminated by presence of collar, shape of tail, and extensiveness of tail band; Sabine's - eliminated by combination of gray mantle with full tail band and black carpal bar. | The original documentation form event lasted from 13:30:00/13:40:00 approximately. | 
				
					| Occurrence Status | present | 
				
					| Field Number |  | 
				
					| Event Remarks | Viewing Conditions: Observed at approximately 200 yards through 15x-60x scope at various settings. Sky was overcast to heavy with light rain falling. | 
				
					| Supporting Documentation | Grant, PJ. Gulls: a guide to identification. Cambridge, MA: Academic Press. | 
									
				| Date Digital | 11 Jan 2018 | 
						
				| File Type | image/jpeg | 
			
				| Hardware / Software | Epson - sheet feed |