David Tipling / Rufous-tailed Hummingbirds (Amazilia tzacatl) swarming around feeder on balcony, Mindo, Ecuador

Paul Harcourt Davies / Spotted fritillary caterpillar (Melitaea didyma) Sibillini, Italy, June.

Mike Read / Fairy foxglove (Erinus alpinus) Vercors Regional Natural Park, France, June.

Adrian Davies / Fairy Foxglove (Erinus alpinus) growing in between rocks, Picos de Europa, Spain.

Philippe Clement / Fairy foxglove / Jewel flower / Alpine balsam / Liver balsam (Erinus alpinus) in flower, native to Central and Southern Europe, National Botanic Garden of Belgium, May

Inaki Relanzon / Fairy Foxglove (Erinus alpinus) against a waterfall. Ordesa National Park, Pyrenees, Spain, June.

Adrian Davies / Fairy Foxglove (Erinus alpinus) growing in rock, Burren, County Clare, Republic of Ireland

Adrian Davies / Fairy Foxglove (Erinus alpinus) growing in rock, Burren, County Clare, Republic of Ireland

Adrian Davies / Fairy Foxglove (Erinus alpinus) growing in rock, the Burren, County Clare, Republic of Ireland

Dave Watts / Fairy foxglove (Erinus alpinus) flowering from rock wall, UK

Tony Evans / Fairy foxglove in rocky habitat {Erinus alpinus} UK

Tony Evans / Fairy foxglove in rocky habitat {Erinus alpinus} UK

Inaki Relanzon / Fairy Foxglove (Erinus alpinus) in flower. Ordesa National Park, Pyrenees, Spain, June 2011.