| UID |  | 
			
				| Digital Object Type | Rare birds documentation form | 
			
				| Content DM Link | https://n2t.net/ark:/87292/w9z02zb6q | 
			
				| Type | Text | 
			
				| Description | Rare bird documentation form for four Black-legged Kittiwakes at Saylorville Reservoir in Polk County, IA on November 10, 1990 to December 20, 1990. | 
			
				| Related Genres | Field notes | 
			
				| Sort Date | 1990-11-10 - 1990-12-21 | 
			
				| People / Organizations |  | 
			
				| Time |  | 
			
				| 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 | Dinsmore, Stephen J. | 
			
				| Contributors |  | 
			
				| Topics | Birds--Identification Ornithology Rare birds | 
			
				| Birds | Black-legged Kittiwake | 
			
				| Locations | Saylorville Lake | 
			
				| Map | 
 | 
							
					| Verbatim Locality | Saylorville Reservoir, Polk County | 
				
					| Location Remarks | The documentation forms do not include georeferences | 
				
					| Habitat |  | 
						
				| Extent | 1 page | 
			
				| Language(s) | eng | 
			
				| Bibliographic Citation |  | 
							
					| Information Withheld |  | 
				
					| Individual Count | 4 | 
				
					| Occurrence Remarks | The documentation form by Stephen J. Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The gull was larger than the Bonaparte's, but slightly smaller than a nearby Ring-billed Gull. | 
				
					| Occurrence Status | present | 
				
					| Field Number |  | 
				
					| Event Remarks | Viewing Conditions: Viewing conditions were ecxcellent [sic], and I was often as close as 50 feet from one or more of the birds. I used a Buschnell 20-45x spotting scope and Bausch and Lomb 7x35 binoculars. | 
				
					| Supporting Documentation |  | 
									
				| Date Digital | 11 Jan 2018 | 
						
				| File Type | image/jpeg | 
			
				| Hardware / Software | Epson - sheet feed |