Brian Bevan / Long tailed tit (Aegithalos caudates) nest building, Bedfordshire, England, UK, April.

Adrian Davies / Thorn apple (Datura stramonium) seed pod.

Adrian Davies / Thorn apple (Datura stramonium) flowers opening, Surrey, England, UK. August.

Adrian Davies / Thorn apple (Datura stramonium) La Gomera, Canary Islands.

Adrian Davies / Thorn apple (Datura stramonium) growing on waste ground, La Gomera, Canary Islands.

Adrian Davies / Thorn apple (Datura stramonium) La Gomera, Canary Islands.

Hanne & Jens Eriksen / Thorn apple (Solanum incanum) with fruit, Oman, June

Hanne & Jens Eriksen / Thorn apple (Solanum incanum) with fruit and flower, Oman, November

Martin Gabriel / Jimson weed (Datura stramonium) fruit, Bavaria, Germany, October.

Martin Gabriel / Jimson weed (Datura stramonium) fruit, Bavaria, Germany, October.

Fred Olivier / Close-up of an African bush elephant (Loxodonta africana) feeding, stripping vegetation from an Acacia tree with its trunk, Serengeti NP, Tanzania.

Fred Olivier / African bush elephants (Loxodonta africana) feeding, stripping vegetation from an Acacia tree with its trunk, Serengeti NP, Tanzania.

Paul Harcourt Davies / Thorn-apple (Datura stramonium) Podere Montecucco, Orvieto, Umbria, Italy, September.

Georgette Douwma / Thorn apple, Jimson weed (Datura stramonium) seed pods used in herbal medicine. UK

Georgette Douwma / Thorn apple / Jimson weed (Datura stramonium)seed pods used in herbal medicine, UK

Adrian Davies / Thorn Apple (Datura stramonium) La Gomera, Canary Islands, Spain

Philippe Clement / Thornapple fruit {Datura stramonium} Belgium

Philippe Clement / Thornapple seeds in fruit {Datura stramonium} Belgium

Tony Evans / Thorn apple flowering beside railway line {Datura stramonium} UK

Larry Minden / Jimson Weed (Datura wrightii) night blooming, Mojave Desert, California

Larry Minden / Jimson Weed (Datura wrightii) night blooming, Grand Canyon, Arizona