46 White Stork. Put your logo here AGEING. WHITE STORK (Ciconia ciconia) IDENTIFICATION SIMILAR SPECIES SEXING MOULT. Write your website here
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1 AGEING 3 types of age can be recognized: Juvenile with brown tinge on black scapulars and wing coverts; grey brown bill, sometimes with reddish base; dull red legs. 2nd year only in birds whith retained brown juvenile flight feathers, having two ages of feathers in spring and three ages in summer. Adult with green or purple gloss on black flight feathers; red bill and legs; with one age of feathers in spring and two ages in summer. White Stork. Spring. 2nd year (02-IV). WHITE STORK (Ciconia ciconia) IDENTIFICATION cm. White plumage with black wings; red bill; long and red legs. Juveniles with duller bill, legs and dark areas. White Stork. Ageing. Colour of bill: left adult; right juvenile. White Stork. Pattern of head, bill and legs. SIMILAR SPECIES This species is unmistakable SEXING Plumage of both sexes alike. In adult birds male with wing longer than 590 mm (CAUTION: birds with wing shorter than 590 mm can belong to both sexes). Gular patch has larger posterior orange area and more mottled black area in male than in female. White Stork. Ageing. Colour of legs: left adult; right juvenile. MOULT Complete postbreeding moult, starting in breeding period and finished during winter. Usually complete postjuvenile moult but some birds can retain juvenile flight feathers; starts in December and finished in May. Page 1
2 PHENOLOGY I II III IV V VI VII VIII IX X XI XII STATUS IN ARAGON Summer visitor in origin, but now resident. A common species in the Ebro Valley near irrigated areas. White Stork. Spring. Breast pattern: left adult (); right 2nd year (). White Stork. Spring. Adult () White Stork. Spring. Upperparts pattern: left adult (); right 2nd year (). White Stork. Spring. Head pattern and colour of bill: top adult (); bottom 2nd year (02- IV). White Stork. Spring. Legs pattern: left adult (); right 2nd year (02-IV). Page 2
3 White Stork. Spring. Tail pattern: left adult (); right 2nd year (). White Stork. Spring. Adult: pattern of primaries () White Stork. Spring. Adult: pattern of primary coverts () White Stork. Spring. 2nd year: pattern of primaries (02-IV) White Stork. Spring. 2nd year: pattern of primary coverts (02-IV) White Stork. Spring. Adult: pattern of secondaries () Page 3
4 White Stork. Spring. 2nd year: pattern of secondaries (02-IV) Adult (09-VIII) White Stork. Spring. Adult: pattern of wing () 2nd year (17-VIII) White Stork. Spring. 2nd year: pattern of wing (02- IV). Page 4
5 Breast pattern and bill colour: top left adult (09-VIII); top right 2nd year (17-VIII); left juvenile Juvenile (15-VI) Head pattern and bill colour: top left adult (09-VIII); top right 2nd year (17-VIII); left juvenile Upperparts pattern and bill colour: top left adult (09-VIII); top right 2nd year (17- VIII); left juvenile Page 5
6 Tail pattern and bill colour: top left adult (09-VIII); top right 2nd year (17-VIII); left juvenile Adult: pattern of primary coverts (09-VIII) 2nd year: pattern of primary coverts (17-VIII) Legs pattern and bill colour: top left adult (09-VIII); top right 2nd year (17-VIII); left juvenile Juvenile: pattern of primary coverts (15-VI) Page 6
7 Adult: pattern of primaries (09-VIII) Juvenile: pattern of primaries (15-VI) 2nd year: pattern of primaries (17-VIII) Adult: pattern of secundaries (09-VIII) Page 7
8 Javier Blasco-Zumeta & Gerd-Michael Heinze 46 White Stork Adult: pattern of wing (09VIII) 2nd year: pattern of secundaries (1 juvenile feathers; 2 2nd year feathers from spring; 3 2nd year feathers from autumn (17-VIII) 2nd year: pattern of wing (17VIII) Juvenile: pattern of secundaries (15-VI) Juvenile: pattern of wing (15VI) Page 8
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102 Honey Buzzard. HONEY BUZZARD (Pernis apivorus) IDENTIFICATION SIMILAR SPECIES
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6 Eagle Eagle. Adult (-XI). GOLDEN EAGLE (Aquila chrysaetos) IDENTIFICATION 76-89 cm. Adult with dark brown plumage; golden colour on head and nape; tail with transversal bands. Juveniles with white base
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80 Garganey. Put your logo here
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