Terry Whittaker / Water vole (Arvicola amphibius) feeding on Yellow flag iris (Iris pseudacorus) seed pods, Kent, England, UK. October.

Ingo Arndt / Caddisfly (Limnephilus sp.) case built of sticks, wood fragments, seeds, snail shells and plant stems, Germany, November.

Nigel Cattlin / Broad bean (Vicia faba) seed in velvet lined pod, ripe and ready for harvest. Berkshire, England, UK. July.

Nigel Cattlin / Broad bean (Vicia faba) seed in velvet lined pod, ripe and ready for harvest. Berkshire, England, UK. July.

Nigel Cattlin / Broad-leaved willowherb (Epilobium montanum) seedpods opening to disperse seeds, an arable weed. Berkshire, England, UK. August.

Nigel Cattlin / Manila tamarind (Pithecellobium dulce) seedpods for sale at food market, Bangkok, Thailand.

Chris Mattison / Giraffe-necked weevil (Trachelophorus giraffa) egg case wrapped in the leaves of its food plant (Dichaetanthera sp). Ranomafana,National Park, Madagascar.

Ernie Janes / Cacao tree (Theobroma cacao) showing fruit pod

Ernie Janes / Cacao tree (Theobroma cacao) pod opened showing cacao beans.

Ernie Janes / Cacao tree (Theobroma cacao) fruit pod

Ernie Janes / Peas (Pisum sativum) 'Kelvedon Wonder' growing in vegetable garden.

Claudio Contreras / Cacao (Theobroma cacao) fruit, Oaxaca, southern Mexico, December