Yellow-headed Blackbird (Xanthocephalus xanthocephalus), female, Lac Le Jeune Provincial Park, British Columbia, Canada, North America

Yellow-headed blackbird (Xanthocephalus xanthocephalus), Yellowstone National Park, Wyoming, United States of America, North America

Yellow-headed Blackbird (Xanthocephalus xanthocephalus), female, Lac Le Jeune Provincial Park, British Columbia, Canada, North America

Male yellow-headed blackbird (Xanthocephalus xanthocephalus) dislaying, Yellowstone National Park, Wyoming, United States of America, North America

Male yellow-headed blackbird (Xanthocephalus xanthocephalus), Bear River Migratory Bird Refuge, Utah, United States of America, North America

Male Yellow-Headed Blackbird (Xanthocephalus xanthocephalus), Yellowstone National Park, Wyoming, United States of America, North America

Male yellow-headed blackbird (Xanthocephalus xanthocephalus), Bear River Migratory Bird Refuge, Utah, United States of America

Yellow-headed Blackbird (Xanthocephalus xanthocephalus) courtship display on a common cattail (Typha latifolia).

Yellow-headed Blackbird (Xanthocephalus xanthocephalus) courtship display on a common cattail (Typha latifolia).

Yellow-headed Blackbird (Xanthocephalus xanthocephalus) courtship display on a common cattail (Typha latifolia).

Yellow-headed Blackbird (Xanthocephalus xanthocephalus), male, Sinton, Texas, USA

Yellow-headed goby, Gobius xanthocephalus, Norway, Atlantic ocean, north atlantic ocean