Mathias Schaef / Red-crested Bustard (Lophotis ruficrista) female, South Africa

Wild Wonders of Europe / Widstr / Tintiava abandoned village, Bela Reka, Eastern Rhodope Mountains, Bulgaria, May 2013.

Wild Wonders of Europe / Widstr / Tintiava abandoned village, close-ups of roof tiles, Bela Reka, Eastern Rhodope Mountains, Bulgaria, May 2013.

Juan Manuel Borrero / Slate tile roof and chimney in the Pyrenees mountains. Catalonia, Lerida, Spain

Robin Chittenden / House sparrow (Passer domesticus) perched on gutter, Norfolk, UK, February.

Barry Bland / Men repairing a terracotta tiled roof in the town of Dubrovnik, Croatia.

Barry Bland / Terracotta tiled rooftops in the town of Dubrovnik, Croatia.

Juan Manuel Borrero / Slate tile roof in the Pyrenees mountains, Catalonia, Lerida, Spain

Juan Manuel Borrero / Slate tile roof with lichen in the Pyrenees mountains, Catalonia, Lerida, Spain

David Tipling / Two Tree sparrow (Passer montanus) males perched on roof, one with nesting material in beak, Bempton RSPB visitor centre, Yorkshire, UK. April.

David Tipling / Tree sparrow (Passer montanus) male perched on roof with nesting material in beak, roof of Bempton RSPB visitor centre, Yorkshire, UK. April.

Ashley Cooper / Roof tiles blown off a house roof by Storm Arwen, Bamburgh, Northumberland, UK. January, 2022.

David Tipling / Stock dove (Columba oenas) male, at entrance to nest site in barn roof, North Norfolk, UK. March.