Steppe Gull - barabensis

(last update: 8-9-2014 )
Coordinator:
Mars Muusse (Netherlands)

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barabensis 1CY July
barabensis 1CY Aug
barabensis 1CY Oct
barabensis 1CY Nov

barabensis 2CY Jan
barabensis 2CY Febr
barabensis 2CY March
barabensis 2CY July
barabensis 2CY Nov

barabensis 3CY June
barabensis 3CY Nov

barabensis sub-ad Jan
barabensis sub-ad June
barabensis sub-ad Nov

barabensis ad Jan
barabensis ad March
barabensis ad May
barabensis ad June
barabensis ad July
barabensis ad Nov
barabensis ad Dec

heuglini-type 2CY, February 27 2001, Manama harbour, Bahrain.

Barabensis 1st winter or heuglini.

In Visa Rauste’s article (Limicola,1999) he points on the bill-shape in some adult heuglini, and may refer to the ‘droopy’ bill. Active moult seems to be in progress all over the bird: in the lower scapulars, inner lesser, central median and inner greater coverts and in the tertials. Note the juvenile lesser and greater coverts: not as bleached and abraded as in most barabensis and cachinnans, rather neat with most of the fringes still present and a warm brown base. In many heuglini, 2nd generation greater coverts seem to be plain grey especially the outer feathers. Here, the 3rd greater covert already shows such a pattern. These pretty dark grey feathers might be a strong clue for heuglini.