Steve Gettle / Bobolink (Dolichonyx oryzivorus) male flying, J. Clark Salyer National Wildlife Refuge, North Dakota

Steve Gettle / Bobolink (Dolichonyx oryzivorus) male calling, J. Clark Salyer National Wildlife Refuge, North Dakota

Steve Gettle / Bobolink (Dolichonyx oryzivorus) male flying, J. Clark Salyer National Wildlife Refuge, North Dakota

Gerrit Vyn / Male Bobolink (Dolichonyx oryzivorus) in breeding plumage. Tompkins County, New Jersey, USA

Marie Read / Bobolink (Dolichonyx oryzivorus) female perched, New York, USA

Marie Read / Bobolink (Dolichonyx oryzivorus) male in breeding plumage singing in flight as part of its territorial display, New York, USA

Donald M. Jones / Bobolink (Dolichonyx oryzivorus) male singing on barbed wire fence, western Montana

Mary McDonald / Bobolink {Dolichonyx oryzivorus} male perched, Yellowstone NP, Wyoming, USA.

John Cancalosi / Bobolink (Dolichonyx oryzivorus) male singing, NY, USA

John Cancalosi / Bobolink (Dolichonyx oryzivorus) male singing, New York, USA

Mary McDonald / Bobolink {Dolichonyx oryzivorus} perched with caterpillar prey, Yellowstone NP, USA.

Tim Fitzharris / Bobolink (Dolichonyx oryzivorus) adult perched on vegetation, North America