Cyril Ruoso / Ringed-tailed lemur (Lemur catta) foraging in sisal field looking for flowers during a poor year without much fruit. Berenty reserve, Madagascar, September.

B&S Draker / Pipevine Swallowtail Butterfly (Battus philenor) pair mating. Sinton, Corpus Christi, Coastal Bend, Texas, USA, June.

Andrew Parkinson / Puffin (Fratercula arctica) head portrait, and single flower of Thrift (Ameria maritima) Shetland Islands, Scotland, UK, July (non-ex)

Ross Hoddinott / Wood anemone (Anemone nemorosa) single flower, Halsdon woodland, Devon, England, UK. April 2010.

Rolf Nussbaumer / Single White Prickly Poppy (Argemone albiflora) flower, in wildflower meadow, Fennessey Ranch, Refugio, Coastal Bend, Texas Coast, USA

Rolf Nussbaumer / Wine-Cup (Callirhoe involucrata) in flower, Fennessey Ranch, Refugio, Corpus Christi, Coastal Bend, Texas Coast, USA

Aflo / N-17405 Sunflower {Helianthus annuus}

Stephen Dalton / Dandelion {Taraxacum officinale} single seed left on flower head, UK

Jose B. Ruiz / Almond trees (Prunus dulcis / Amygdalus communis) in blossom, close up of single flower, Spain

Nigel Cattlin / Single small white (Pieris rapae) caterpillar on Broccoli (Brassica oleracea) leaf. Berkshire, England, UK. August.

Alan Williams / Hawthorn (Crataegus monogyna) blossoming in carpet of Bluebell (Hyacinthoides non-scripta), hills in background, Aber Valley, Gwynedd, Wales, UK. May 2019.

Heather Angel / Stigmas in female flowers of single Wax begonia (Begonia semperflorens group) mimic pollen laden stamens produced by male flowers but offer no reward to pollinators, which land on them and pollinate t...