Ross Hoddinott / Buff tip moth (Phalera bucephala) caterpillars feeding on leaf, Meeth Quarry, Devon, UK. July

Konrad Wothe / Slow motion clip of a Buff tailed bumblebee (Bombus terrestris) landing in a Common poppy (Papaver rhoeas) flower, Germany, June.

Konrad Wothe / Long-tailed hermit (Phaethornis superciliosus) nectaring from a flower, Panguana Reserve, Huanuca Region, Peru.

Ingo Arndt / Buff tip moth (Phalera bucephala) protective web covering caterpillars and food plant, Hungary, June.

Ingo Arndt / Buff tip moth (Phalera bucephala) caterpillars feeding on leaf, Hungary, June.

Eric Sohn Joo Tan/ BIA / Greater Flameback (Chrysocolaptes lucidus) male, Kerala, India

Melvin Grey / Variable sunbird (Nectarinia venusta) adult male on Hibiscus flower, Nairobi, Kenya

Thomas Marent / Buff-cheeked Gibbon (Nomascus gabriellae) female, Phnom Tamao Wildlife Rescue Center, Cambodia

Alan Murphy / Buff-collared Nightjar (Caprimulgus ridgwayi) calling, Arizona

David Woodfall / Buff tailed bumble bee (Bombus terrestris) on Marsh Woundwort (Stachys palustris) North Wales, UK, July.

Ammonite / Close-up of Buff-tailed bumble bee (Bombus terrestris) repairing a wax cell containing eggs inside nest, France, May.

Ammonite / Close-up of Buff-tailed bumble bee (Bombus terrestris) repairing a wax cell containing eggs inside nest, France, May.