Ruddy Duck
Oxyura jamaicensis · Lifer #202
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Photos: 4 Forms: 4 (F, F/Breeding, M/Breeding, M/Non-breeding)
US-IAUS-IL
Monotypic. Plumage varies, BREEDING in (MAR-AUG) and NON-BREEDING other times. M/F differ, with breeding males sporting an incredible blue bill while non-breeding male dulls, looks more like female. BOW notes some difference for female between plumages but may be less reliably gauged.
Ruddy Duck
★★★☆☆ · 2026-04-21 · US-WI · 1075×1075 (417×248) · ISO 640 · Canon EOS R8
Floating · 1F
Ruddy Duck
★★★☆☆ · 2025-03-29 · US-IL · 1074×1074 (161×131) · ISO 2000 · Canon EOS R8
Floating, Sleeping · 2F · Breeding
Ruddy Duck
★★★★☆ · 2025-03-29 · US-IL · 1075×1075 (301×126) · ISO 1600 · Canon EOS R8
Floating, Sleeping · Sky-blue-bill · 1M1F · Breeding
Ruddy Duck
★☆☆☆☆ · 2023-11-22 · US-IA · 4032×1908 (222×302) · ISO 50 · SM-G975U
Floating · 1M · Non-breeding