Sven Zacek / Fritillary butterfly (Melitaea sp.) – either Heath or False Heath – at rest on a grass stem. Estonia, Europe, June.

Konrad Wothe / Slow motion clip of male False heath fritillary butterflies (Melitaea diamina) on a Knapweed (Centaurea) flower, disturbing a Ringlet (Aphantopus hyperantus), Bavaria, Germany, July.

Konrad Wothe / Slow motion clip of Ringlet butterfly (Aphantopus hyperantus) nectaring on a Knapweed (Centaurea) flower with a False heath fritillary (Melitaea diamina), disturbed by another (Melitaea), Bavaria, Ger...

Konrad Wothe / Slow motion clip of Ringlet butterfly (Aphantopus hyperantus) nectaring on a Knapweed (Centaurea) flower alongside a False heath fritillary (Melitaea diamina),and a Marbled white (Melanargia galathea...

Konrad Wothe / Slow motion clip of group of Ringlets (Aphantopus hyperantus) resting on a Knapweed (Centaurea) flower alongside a False heath fritillary (Melitaea diamina), disturbed by another butterfly, Bavaria, G...

Konrad Wothe / Slow motion clip of Ringlet (Aphantopus hyperantus) nectaring on a Knapweed (Centaurea) flower with a False heath fritillary (Melitaea diamina), disturbed by another (Melitaea) Bavaria, Germany, July...

Alex Hyde / False heath fritillary (Melitaea diamina) Nordtirol, Austrian Alps, July.

Jussi Murtosaari / False heath fritillary (Melitaea diamina) female, Tampere, Pirkanmaa, Lansi- ja Sisa-Suomi / Central and Western Finland, Finland. June

Robert Thompson / False Heath Fritillary butterfly (Melitaea diamina) on flower, Fort de Rimplas, Mercantour National Park, Provence, France, June.

Robert Thompson / False Heath fritillary butterfly (Melitaea diamina) on flower, Fort de Rimplas, Mercantour National Park, Provence, France, July.

Robert Thompson / False-heath fritillary butterfly (Melitaea diamina) on Yellow rattle (Rhinanthus minor) flower, Gavarnie, Pyrenees National Park, France, June.

Robert Thompson / False-heath fritillary butterfly (Melitaea diamina) near Bederet, Pyrenees National Park, France, July.

Nick Garbutt / Black-browed albatross (Thalassarche melanophris) flying over South Atlantic. Cooper Bay, South Georgia. November.

John Shaw / Black-browed albatross pair (Thalassarche melanophris) mutual grooming during copulation. New Island, Falkland Islands, November.

Claudio Contreras / Black-browed Albatross (Thalassarche melanophris) close up resting, West Point Island, Falkland Islands, October

Frederique Olivier / Close-up of a Black browed albatross (Thalassarche melanophris) preening its chick, chick looks up panting, thermoregulating, West Point Island, Falkland Islands.

Frederique Olivier / Tilt shot of a Black browed albatross (Thalassarche melanophris) with its chick on a nest, New Island, Falkland Islands.

Frederique Olivier / Close-up of a pair of Black browed albatrosses (Thalassarche melanophris) mutual grooming, New Island, Falkland Islands.

Frederique Olivier / Black browed albatross (Thalassarche melanophris) chick in nest, interacting with a Southern rockhopper penguin (Eudyptes chrysocome) chick, New Island, Falkland Islands.

Frederique Olivier / Pair of Black browed albatrosses (Thalassarche melanophris) display bonding, touching beaks, New Island, Falkland Islands.

Chris & Monique Fallows / Black browed albatros (Thalassarche melanophrys), Cape Point, South Africa.

Nick Garbutt / Black-browed albatross (Thalassarche melanophris) in flight over sea at sunrise. South Atlantic Ocean between The Falklands and South Georgia. November.

Nick Garbutt / Black-browed albatross (Thalassarche melanophris) in flight over South Atlantic, viewed through ship's window. South Georgia.

Nick Garbutt / Black-browed albatross (Thalassarche melanophris) in flight over South Atlantic, viewed through ship's window. South Georgia.