Bernard Castelein / Bulrush (Typha latifolia) Klein Schietveld, Brasschaat, Belgium

Alan Murphy/ BIA / Marsh Wren (Cistothorus palustris) calling, British Columbia, Canada

Claudio Contreras / Aquatic plants (Typha sp.) with Mexico City buildings in the back, Xochimilco wetlands, Mexico City, January

Alan Murphy / Yellow-headed Blackbird (Xanthocephalus xanthocephalus) male with insect prey, British Columbia, Canada

Alan Murphy / Marsh Wren (Cistothorus palustris) calling from cattail, British Columbia, Canada

Nick Upton / 2020VISION / Lapwings (Vanellus vanellus), Golden plover (Pluvialis apricaria), Wigeon (Anas penelope) and Common Teal (Anas crecca) flying over flooded marshes in winter, with a rainbow in the background, Greylak...

Nigel Cattlin / Branched bur-reed (Sparganium erectum) on canal bank. Berkshire, England, UK. June.

Donald M. Jones / Marsh Wren (Cistothorus palustris) male calling, Montana

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

Alan Murphy/ BIA / Marsh Wren (Cistothorus palustris) calling from cattail, British Columbia, Canada

Nick Upton / Seeds being blown from seedheads of Greater Bullrush / Reedmace (Typha latifolia) by a breeze in winter, Cotswold Water Park, Wiltshire, UK, January.

Nick Upton / Greater Bullrush / Reedmace (Typha latifolia) with seeds emerging in winter, Cotswold Water Park, Wiltshire, UK, January.