Jack Dykinga / Yellow-headed blackbird (Xanthocephalus xanthocephalus) flock flying over reed beds, Whitewater Draw Wildlife Preserve, Arizona, USA.

Magnus Lundgren / School of Yellow-ribbon sweetlips (Plectorhinchus polytaenia) swimming with the current, Raja Ampat, Indonesia, Pacific Ocean.

Mateusz Piesiak / Bramblings (Fringilla montifringilla) feeding on sunflower seeds in a field that could not be cut due to high water levels, Lower Silesia, Poland. Emotion'Ailes Photography Competition 2021, Categ...

Mateusz Piesiak / Brambling (Fringilla montifringilla) flock in flight, Lower Silesia, Poland.

Guy Edwardes / Ancient Roman bridge and autumn leaves, Allt da Ghob Waterfall, Glen Lyon, Perthshire, Scotland, UK. October.

Jack Dykinga / Female Burrowing owl (Athene cunicularia) with two chicks in farm fields, near Marana, Arizona, USA.

David Pattyn / Great crested grebe (Podiceps cristatus) with young chicks on the back among Fringed water lilies (Nymphoides peltata) Lake Kerkini, Greece, July.

Chris Mattison / High-casqued chameleon / Von Hoehnel's chameleon (Trioceros hoehnelii) female and young on branch, Kenya, Africa.

Guy Edwardes / Parrot waxcap fungus (Gliophorus psittacinus), close up of gills, Duncliffe Wood Woodland Trust Reserve, Dorset, England, UK. November.

Sven Zacek / Brimstone butterfly(Gonepteryx rhamni) male and female during mating flight, early spring. Tartumaa county, Southern Estonia. May.

Paul Harcourt Davies / Species rich alpine meadow with Orange lily (Lilium bulbiferum), Meadow clary (Salvia pratensis) and Yellow rattle (Rhinathus sp). View towards Campitello di Fassa and mountains, Fassa Valley, Dolomit...

Michael Hutchinson / Goldenrod crab spider (Misumena vatia) yellow female on Honesty flower, Bristol, UK, April

Ross Hoddinott / Male common blue butterfly (Polyommatus icarus) basking wings open on grass, Vealand Farm, Devon, UK. June.

Brandon Cole / Masked butterflyfish (Chaetodon semilarvatus) Egypt, Red Sea.

Robert Thompson / Crested gecko (Correlophus ciliatus), New Caledonia, controlled conditions

Sven Zacek / Aerial view of a golden and foggy sunrise over a bog area, Alam-Pedja National Park, Tatrumaa county, Southern Estonia. May.

Ross Hoddinott / Lesser celandine flower (Ranunculus ficaria), Cornwall, England, UK. April.

Michael Hutchinson / Flower crab spider (Misumena vatia) yellow female on Honesty flowers with house and garden visible, Bristol, UK, April

Marie Read / Yellow Warbler (Setophaga petechia, formerly Dendroica petechia), male in breeding plumage, Ithaca, New York, USA. May 2020.

David Hall / A Giant rock scallop (Crassadoma gigantea) encrusted with and surrounded by several other invertebrates, including White anemones (Metridium sp.), White mushroom ascidians (Distaplia sp.), Red soft co...

David Hall / Split level of a Lion's mane Jellyfish (Cyanea capillata) and Feather-boa kelp (Egregia menziesii), Seven-tree Island, Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.

Guy Edwardes / Gorse (Ulex europaeus)on cliffs above St Oswald's Bay, Dorset, England, UK, May.

Ernie Janes / Alpine flower meadow landscape - Seiser Alm with mountains of Langkofel Group in the background. Dolomoites, South Tyrol, Italy. July 2019.

Alex Mustard / Dugong (Dugong dugon) male, swims over seagrass meadow (Halophila stipulacea) accompanied by a young Golden trevally (Gnathanodon speciosus). Marsa Nabaa, Marsa Alam, Egypt. Red Sea

Erlend Haarberg / Wild pansy (Viola tricolor) with single Dandelion (Taraxacum sp) Innlandet, Norway, June.

Andres M. Dominguez / Western yellow wagtail (Motacilla flava) perched on thistle, Andalusia. Spain. April

Guy Edwardes / Field of flowering Poppies (Papaver rhoeas) at sunrise, Val d'Orcia, Tuscany, Italy. May 2019.

Alex Mustard / Yellow tube sponge (Aplysina fistularis) on coral reef, diver exploring in background. Black Rock Drop Off, East End, Grand Cayman, Cayman Islands, British West Indies. Model released.

Alex Mustard / Portrait of a Giant frogfish (Antennarius commersoni) on a large Yellow elephant ear sponge (Ianthella basta). Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Jack Dykinga / Yellow paloverde (Cercidium microphyllum) flowering amongst Saguaro (Carnegiea gigantea). In foothills on north side of Santa Catalina Mountains, Coronado National Forest, Arizona, USA. May 2019.

John Shaw / Yellow warbler (Setophaga petechia aureola) on lava rocks. Isabela Island, Galapagos. May.

Marie Lochman / Dryandra (Banksia subpinnatifida), Western Australian endemic plant, Dryandra forest National Park, Western Australia.

Marie Lochman / Banksia (Banksia nivea), Western Australian endemic plant, Mt. Lesueur National Park, Western Australia.

Marie Lochman / Showy Banksia (Banksia speciosa), Western Australian endemic plant, Cape Arid National Park, Western Australia.

Marie Lochman / Sceptre Banksia (Banksia sceptrum), Western Australian endemic plant, Kalbari National Park, Western Australia. December 2011

Marie Lochman / Holly-leaved banksia (Banksia ilicifolia), Western Australian endemic plant, Yeal Nature Reserve, Western Australia.

Marie Lochman / Honey possum (Tarsipes rostratus) on Lemann's Banksia (Banksia lemanniana) Mount Gibbs Nature Reserve, Wheat-belt Region of Western Australia.