Parelduiker (winterkleed) - a photo on Flickriver

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Parelduiker, winterkleed (NL)
De parelduiker (Gavia arctica - Linnaeus, 1758) is een vogel uit de familie van de duikers (Gaviidae). Deze soort is ongeveer 60 tot 70 cm groot. 's Winters is de parelduiker van boven grijsbruin en van onderen wit met een duidelijke scheiding tussen witte keel en grijze nek. Het juveniel lijkt op een adult in de winter, maar heeft lichte, schubvormige vlekken op de rug. In de winter maakt deze soort geen geluid.Het voedsel bestaat uit vissen, die al duikend worden gevangen. Het zijn zeer goede duikers, die zeer diep kunnen gaan (50 meter en meer). 's Winters komen parelduikers langs de Europese kusten van de Noordzee en de Atlantische Oceaan voor. 's Zomers zijn ze in Scandinavië en Rusland te vinden. In Schotland en aan de kusten van Noorwegen verblijven ze het hele jaar. In Nederland is het een doortrekker en wintergast in zeer klein aantal.

bron: nl.wikipedia.org/wiki/Parelduiker

Black-throated loon, non-breeding plumage (EN)
The black-throated loon (Gavia arctica - Linnaeus, 1758), also known as the Arctic loon and the black-throated diver, is a migratory aquatic bird found in the northern hemisphere, primarily breeding in freshwater lakes in northern Europe and Asia. It winters along sheltered, ice-free coasts of the north-east Atlantic Ocean and the eastern and western Pacific Ocean. The black-throated loon measures 58 to 73 cm in length. The non-breeding adult differs from the breeding adult in that the cap and the back of the neck are more brownish. The non-breeding adult also lacks the patterned upperparts of the breeding adult, although some of the upperwing coverts do not lose their white spots. This results in the upperparts being an almost unpatterned black from above. The sides of the throat are usually darker at the white border separating the sides of the throat and the front of the throat; most of the time a thin dark necklace between these two areas can be seen. There is white on the sides of the head that are below the eye. The bill is a steel-grey with, similar to the breeding adult, a blackish tip. The juvenile is similar to the non-breeding adult, but has a browner appearance. It has a buffy scaling on the upperparts that is especially pronounced on the scapulars. The lower face and front of the neck has a diffused brownish tinge. The juvenile does not have the white spots on the wing coverts, and its irides are darker and more dull in colour.

source: en.wikipedia.org/wiki/Black-throated_loon

Taken in: Nederland / Groningen / Hoogezand-Sappemeer (show map)

Taken on: December 18, 2018

Tags:

Parelduiker

Gavia arctica

Prachttaucher

Black-throated loon

Arctic loon

Black-throated diver

Colimbo ártico

Plongeon arctique

Huart arctique

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Camera: Canon EOS 6D, f/7.1, 1/200 sec, 600mm, ISO 1000 (more info) (hide info)

Camera:	Canon EOS 6D
Aperture:	f/7.1
Exposure Time:	0.005 sec (1/200)
Focal Length:	600mm
ISO:	1000
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Manual
Exposure Mode:	Manual
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	PaintShop Pro 19,00
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