Jack Dykinga / Bird caught in border wall mesh at the Mexican / United States border, Organ Pipe National Monument, Arizona, USA, August.

Sue Daly,Sue Daly / Jewel Anemones (Corynactis haddoni) colonising the wreck of HMNZS Canterbury, Bay of Islands, New Zealand, February 2013

Doug Gimesy / Grey-headed Flying-foxes (Pteropus poliocephalus) female hanging from the mesh of its enclosure. This enclosure will be her home for several months until she is old and strong enough to be released. F...

Georgette Douwma / Yellow mesh starfish (Nardoa novaecaledoniae). West Papua, Indonesia. Indo-West Pacific.

Staffan Widstrand / Wild Wonders of China / Girl with umbrella, Yichun City, Heilongjiang Province, China. July 2016

David Fleetham / Necklace seastar (Fromia monilis) on Sea cucumber (Bohadaschia argus) Yap, Micronesia.

Alex Hyde / Various moths and beetles attracted to light at night. Danum Valley, Sabah, Borneo.

Nick Upton / Young European eel (Anguilla anguilla) elvers, or glass eels retained in a collecting bucket with a fine mesh base during a fishing session on the River Parrett at night, caught under licence Somerset...

Nick Upton / Samantha Pickering inside her flight cage checking a moth trap which attracts insects through the mesh for recovering bats to catch before release back to the wild, North Devon Bat Care, Barnstaple, D...

Nick Upton / Young European eel (Anguilla anguilla) elvers, or glass eels retained in a collecting bucket with a fine mesh base during a fishing session on the River Parrett at night, Somerset, UK, March.

Franco Banfi / Killer whale (Orcinus orca) pod hunting together in herring baitball (Clupea harengus), Andenes, Andoya island, North Atlantic Ocean, Norway, April

Franco Banfi / Killer whale (Orcinus orca) adult male surfacing at dusk surrounded by birds, who watch for herrings (Clupea harengus) left after they have fed, Andenes, Andoya island, North Atlantic Ocean, Norway,...