Marie Read / Red-winged Blackbird (Agelaius phoeniceus) male displaying in cattail marsh, Viera Wetlands, Brevard County, Florida, USA, January.

Alan Murphy / Yellow-headed Blackbird (Xanthocephalus xanthocephalus) female on cattails, British Columbia, Canada

Jack Dykinga / American coots (Fulica americana) taking off from pond with reflections of cattails, Cibola National Wildlife Refuge, Arizona, USA

Gerrit Vyn / Yellow-headed Blackbird (Xanthocephalus xanthocephalus) male in breeding plumage, perched on cattails in wetlands, Alberta, Canada. June.

Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) roosting in cattails Whitewater Draw Wildlife Area, Arizona, USA, December.

Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) roosting in cattails Whitewater Draw Wildlife Area, Arizona, USA, December.

Marie Read / Red-winged Blackbird (Agelaius phoeniceus) male displaying in cattail marsh, backlighting, Ithaca, New York, USA, April.

Philippe Clement / Common bulrushes (Typha latifolia) swaying wind, Belgium, January.

Phil Savoie / Yellow warbler (Dendroica petechia) collecting nesting material from Bulrush cattail (Typha sp) Bozeman, Montana. USA, June.

Ann & Steve Toon / Southern red bishop (Euplectes orix) perching on bullrush, Northern Cape, South Africa, February

Alan Murphy / Yellow-headed Blackbird (Xanthocephalus xanthocephalus) male on cattails, British Columbia, Canada

Philippe Clement / Two male Bearded reedling (Panurus biarmicus) eating seeds from the spike of a common bulrush (Typha latifolia) in a reedbed, Belgium, January. Digital composite.