Purple Heron. SIMILAR SPECIES Confusion only possible with Grey Heron, which has grey neck and wing coverts and pale underparts.
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1 Javier Blasco-Zumeta & Gerd-Michael Heinze 44 Purple Heron Grey Heron Purple Heron. Adult. Male (10-IX). PURPLE HERON (Ardea purpurea) SEXING IDENTIFICATION cm. Slate upperparts and wing coverts, with chestnut scapulars in breeding plumage; chesnut underparts; neck chestnut with two black lateral lines; yellowish legs and bill. Juveniles with buff upperparts. Plumage of both sexes quite alike although male with upperparts more glossy purple than female. Size can be an useful character in extreme birds (only adults): male with wing longer than 375 mm; bill longer than 125 mm; female with wing shorter than 355 mm; bill shorter than 120 mm. Purple Heron. Pattern of upperparts and head. SIMILAR SPECIES Confusion only possible with Grey Heron, which has grey neck and wing coverts and pale underparts. Purple Heron. Sexing. Pattern of scapulars: left male; right female. Page 1
2 AGEING 3 types of age can be recognized: Juvenile with neck without lateral lines; dark brown upperparts and wing coverts with broad buff edges; under neck and breast pale buff with brown straked. 2nd year with 2 types of plumages: some birds have juvenile plumage but with ornamental feathers on scapulars and breast, Another birds are similar to adults but can be recognized by their their worn feathers (mainly late summer), chestnut feathers admixed with black on crown and upperparts less glossy than adults. Adult with black crown, fresh flight feathers; glossy feathers on upper and underparts. MOULT Complete postbreeding moult, usually starting in June and finished in winter quarters. Partial postjuvenile moult confined to body feathers and some wing coverts. Partial prebreeding moult confined only to ornamental feathers on nape. PHENOLOGY I II III IV V VI VII VIII IX X XI XII STATUS IN ARAGON Summer visitor, very scarce breeder with records only in the Ebro Basin. Purple Heron. Ageing. Pattern of head and neck: left adult; right juvenile. Purple Heron. Adult. Female (22-IV). Purple Heron. Ageing. Pattern of wing coverts: top adult; bottom juvenile. Page 2
3 Purple Heron. 2nd year with adult-like pattern (). Purple Heron. Juvenile (10-IX). Purple Heron. 2nd year with juvenile-like pattern (). H e r o n. A d u l t. Pattern of head and ornamental feathers of neck: top male (10- IX); bottom female (22- IV). Page 3
4 Heron. 2nd year. Pattern of head and ornamental feathers of neck: top with adultlike pattern (); bottom w i t h juvenile-like pattern (). H e r o n. J u v e n i l e. Pattern of head and ornamental feathers of neck (10-IX). Purple Heron. Crown pattern: top left 2nd year with adult-like pattern (); top right 2nd year with juvenilelike pattern (); left juvenile (10-IX). Purple Heron. Adult. Crown pattern: left male (10- IX); right female (22-IV). Page 4
5 H e r o n. Adult. Breast pattern: top male (10- IX); bottom female (22- IV). Purple Heron. Adult. Nape pattern: left male (10- IX); right female (22-IV). Purple Heron. Nape pattern: top left with adult-like pattern (); top right with juvenile-like pattern (); left juvenile (10- IX). H e r o n. B r e a s t pattern: top with adultlike pattern (); middle w i t h juvenile-like pattern (); b o t t o m juvenile (10- IX). Page 5
6 H e r o n. Adult. Legs pattern: top male (10- IX); bottom female (22- IV). Purple Heron. Adult. Upperpart pattern: left male (10-IX); right female (22-IV). Heron. Legs pattern: top with adultlike pattern (); middle w i t h juvenile-like pattern (); b o t t o m juvenile (10- IX). H e r o n. Upperpart pattern: top left with adultlike pattern (); top right with juvenilelike pattern (); left juvenile (10-IX). Page 6
7 Purple Heron. Adult. Tail pattern: left male (10-IX); right female (22-IV). Purple Heron. Adult. Pattern of tertials: left male (10-IX); right female (22-IV). Purple Heron. Tail pattern: top left with adult-like pattern (); top right with juvenile-like pattern (); left juvenile (10- IX). H e r o n. Pattern of tertials: top left with adultlike pattern (); top right with juvenilelike pattern (); left juvenile (10-IX). Page 7
8 Purple Heron. Adult. Male: pattern of wing coverts (10-IX). Purple Heron. Juvenile: pattern of wing coverts (10- IX). Purple Heron. Adult. Female: pattern of wing coverts (22-IV). Purple Heron. 2nd year with adult-like pattern: pattern of wing coverts (). Purple Heron. Adult. Male: pattern of primaries (10- IX). Purple Heron. 2nd year with juvenile-like pattern: pattern of wing coverts (). Page 8
9 Purple Heron. Adult. Female: pattern of primaries (10-IX). Purple Heron. 2nd year with juvenile-like pattern: pattern of primaries (). Purple Heron. 2nd year with adult-like pattern: pattern of primaries (). Purple Heron. Juvenile: pattern of primaries (10-IX). Page 9
10 Purple Heron. Adult. Male: pattern of secondaries (10-IX). Purple Heron. 2nd year with adult-like pattern: pattern of secondaries (). Purple Heron. Adult. Female: pattern of secondaries (22-IV). Purple Heron. 2nd year with juvenile-like pattern: pattern of secondaries (). Page 10
11 Javier Blasco-Zumeta & Gerd-Michael Heinze 44 Purple Heron Purple Heron. Adult. Female: pattern of wing (22IV). Purple Heron. Juvenile: pattern of secondaries (10IX). Purple Heron. 2nd year with adult-like pattern: pattern of wing (). Purple Heron. Adult. Male: pattern of wing (10-IX). Page 11
12 Purple Heron. 2nd year with juvenile-like pattern: pattern of wing (). Purple Heron. Juvenile: pattern of wing (10-IX). Page 12
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