Gavia immer
date: label: Collection Date
content: 28 Apr 1883
name: label: Collector
content: Frank P. Towns
notes: label: Notes
content: DC Birds Exhibit; catalog number verified from label on specimen in 2014; The bird on the left is in winter plumage, while the bird on the right is in breeding plumage. Although one is a male and the other a female in the exhibit, there is no sexual dimorphism - males and females look the same regardless of season. The bird in winter plumage is a juvenile female.
label: Record Last Modified
content: 4 Jun 2025
label: Specimen Count
content: 1
place: label: Place
content: Potomac River, District of Columbia, United States, North America
setName: label: See more items in
content: Vertebrate Zoology
label: See more items in
content: Birds
publisher: label: Published Name
content: Gavia immer
dataSource: label: Data Source
content: NMNH - Vertebrate Zoology - Birds Division
identifier: label: USNM Number
content: 91628
taxonomicName: label: Taxonomy
content: Animalia, Chordata, Vertebrata, Aves, Gaviiformes, Gaviidae
physicalDescription: label: Preparation
content: Skin: Whole
label: Sex
content: Female
label: Stage
content: Juvenile