Adrian Davies / Common polypody fern (Polypodium vulgare) on Oak tree (Quercus sp.) in temperate rainforest, Tintagel, Cornwall, England, UK. November.

Adrian Davies / Glistening inkcap (Coprinellus micaceus) growing on Beech stump, Surrey, England, UK. November.

Adrian Davies / Clustered bonnet (Mycena inclinata) growing on tree stump in mixed Beech and Oak woodland, Surrey, England, UK. November.

Adrian Davies / Beech jellydisc fungus (Neobulgaria pura) growing on Beech log, Surrey, England, UK. October.

Adrian Davies / Beech woodwart fungus (Hypoxylon fragiforme) growing on Beech log, Surrey, England, UK. October.

Jack Dykinga / Curve-billed thrasher (Toxostoma curvirostre) perched on Hanging chain cholla cactus (Cylindropuntia fulgida), Santa Catalina Mountain foothills, near Tucson, Arizona, USA. November.

Jack Dykinga / Black-throated sparrow (Amphispiza bilineata) taking flight from Hanging chain cholla cactus (Cylindropuntia fulgida), Santa Catalina Mountains foothills, near Tuscon, Arizona, USA. November.

Jack Dykinga / Black-throated sparrow (Amphispiza bilineata) flying above Hanging chain cholla cacti (Cylindropuntia fulgida), Santa Catalina Mountains foothills, near Tucson, Arizona, USA. November.

Jack Dykinga / Black-throated sparrow (Amphispiza bilineata) perched on Hanging chain cholla cacti (Cylindropuntia fulgida), Santa Catalina Mountains foothills, near Tucson, Arizona, USA. November.

Jack Dykinga / Cactus wren (Campylorhynchus brunneicapillus) flying amongst Hanging chain cholla cacti (Cylindropuntia fulgida), Santa Catalina Mountains foothills, near Tucson, Arizona, USA. November.

Jack Dykinga / Black-throated sparrow (Amphispiza bilineata) perched on Hanging chain cholla cactus (Cylindropuntia fulgida), Santa Catalina Mountains foothills, near Tucson, Arizona, USA. November.

Jack Dykinga / Black-throated sparrow (Amphispiza bilineata) flying over Hanging chain cholla cacti (Cylindropuntia fulgida), Santa Catalina Mountains foothills, near Tucson, Arizona, USA. November.