Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.

Jack Dykinga / Murmuration of Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) at sunset, before roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.

Jack Dykinga / Steep valleys in the foothills of the Temblor Range, carpeted with Coreopsis (yellow) and Phacelia (purple) with patches of orange California poppy (Eschscholzia californica). Carrizo Plain, Californi...

Jack Dykinga / Backlit silver cholla cactus (Cylindropuntia echinocarpa) surrounded by California poppies (Eschscholzia californica), beneath the eroded boulders that define the park. Joshua Tree National Park, Moja...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica) carpet the hillside, with flowering Joshua Tree (Yucca brevifolia) in the forground. Antel...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica), with lupins intermixed. Antelope Butte, near the Antelope Valley California Poppy Reserve...

Jack Dykinga / Foothills of the Temblor Range, carpeted with Coreopsis (yellow) and Purple Owl's Clover (Castilleja exserta) flowers. Carrizo Plain, California, USA. 30th March 2019.

Jack Dykinga / Steep valleys in the foothills of the Temblor Range, carpeted with Coreopsis (yellow) and Phacelia (purple) with patches of orange California poppy (Eschscholzia californica). Carrizo Plain, Californi...

Jack Dykinga / Purplemat (Nama demissum) and California goldfields (Lasthenia californica) growing through pebbles of a dry streambed. Joshua Tree National Park, Mojave Desert, California, USA. 25th March 2019.

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California Poppies (Eschscholzia californica), with a flowering Joshua tree (Yucca brevifolia). Antelope Butte, near the Antelope Valley...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California Poppies (Eschscholzia californica), with a flowering Joshua tree (Yucca brevifolia). Antelope Butte, near the Antelope Valley...

Jack Dykinga / Mass wildflower display Lanceleaf monolopia (Monolopia lanceolata) Great Valley phacelia (Phacelia civiliata) and purple Lemmon's mustard, (Caulanthus anceps) The Temblor Range in evening light in th...

Jack Dykinga / Massive wildflower display Lanceleaf monolopia 1+Monolopia lanceolata+2 Great Valley phacelia 1+Phacelia civiliata+2 and purple Lemmon's mustard 1+Caulanthus anceps+2 The Temblor Range in evening...

Jack Dykinga / Massive wildflower display with Lanceleaf monolopia 1+Monolopia lanceolata+2, and Orange fiddle neck 1+Amsinckia intermedia+2 The Temblor Range, also carpeted in flowers, in evening light in the backg...

Jack Dykinga / Cottonwood (Populus fremontii) trees in autumn at sunset, forming a sinuous line of yellow trees. Deer Creek Canyon, Grand Staircase-Escalante National Monument, Utah, USA, October.

Jack Dykinga / Cottonwood (Populus fremontii) trees forming a sinuous line of yellow trees at sunset, in Deer Creek Canyon, Grand Staircase-Escalante National Monument, Utah, USA

Jack Dykinga / Ponderosa pine (Pinus ponderosa) growing in Grand Staircase-Escalante National Monument, Utah, October 2014.

Jack Dykinga / Saguaro cacti (Carnegiea gigantea) in bloom with Foothill paloverde (Cercidium microphyllum) Sonoran Desert National Monument, Arizona, USA, April.

Jack Dykinga / Ponderosa pine (Pinus ponderosa) against a star filled sky with a brilliant Milky Way. Zion National Park, Utah, USA, September.

Jack Dykinga / Great horned owl (Bubo virginianus) chicks nesting in saguaro cactus (Carnegiea gigantea), near Oracle, Sonoran Desert, Arizona, USA, May.

Jack Jeffrey / Anianiau (Viridonia parva) male perching on flowers, Hawaii

Jack Dykinga / White flowering birdcage evening primrose (Oenothera deltoides) and yellow evening primrose (Oenothera primiveris), Cabeza Prieta National Wildlife Refuge, Arizona. February 2014.

Jack Dykinga / Road winding through aspen trees (Populus tremuloides) in autumn, Dixie National Forest, Boulder Mountain, Utah. October 2013.

Jack Dykinga / Cottonwood (Populus fremontii) in autumn, Long Canyon, Grand Staircase-Escalante National Monument, Utah, USA. October 2013.

Jack Dykinga / Sunset Crater National Monument with dawn light on the San Francisco Peaks over fields of flowering Prairie sunflowers (Helianthus petiolaris) Arizona

Jack Dykinga / Sunflower flower (Helianthus petiolaris) at Sunset Crater National Monument, Arizona

Juergen Freund / School of Yellow line scads (Selaroides leptolepis) hunted by Bluefin jacks (Caranx melampygus). Misool, Raja Ampat, West Papua, Indonesia,

Juergen Freund / School of Bigeye jacks / trevally (Caranx sexfasciatus) and Yellow line / Yellowstripe scads (Selaroides leptolepis). Misool, Raja Ampat, West Papua, Indonesia

Jack Dykinga / Bands of red and yellow strata in petrified sand dunes, sunset, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA

Jack Dykinga / Prairie sunflowers (Helianthus petiolaris) catching the sunlight on a sand dune in deep morning shadow. Great Sand Dunes National Monument, Colorado, USA

Jack Dykinga / Heartleaf arnica {Arnica cordifolia} flowering in coniferous forest, tree trunks show charring from the great 1988 forest fire, Mount Washburn, Yellowstone NP, Wyoming, USA

Jack Dykinga / California poppies (Eschscholzia californica) flowering between the "ribs" of a dead Saguaro cactus (Carnegiea gigantea) Barry M. Goldwater Range, Arizona, USA

Jack Dykinga / Flowering Lobelia (Lobelia cardinalis) beside a pool with submerged Yellow pond lily (Nuphar polysepala) and Cypress (Taxodium sp) in El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Summer poppies (Kallstroemia grandifolia) and oaks (Quercus sp) after record summer rains in the Coronado National Forest, Arizona

Jack Dykinga / Red and Yellow coloured Bigtooth Maples (Acer saccharum grandidentatum) in Autumn, West Fork Oak Creek, Coconino National Forest, Arizona

Jack Dykinga / Cane cholla cactus {Opuntia versicolor}, Lupins {Lupinus sparsiflorus} and Californian poppies {Exchscholtzia californica} flowering on Quinlan mountains, Tohono O'oodham Reserve, Arizona, USA

Jack Dykinga / Petrified sand dunes with eroded red and yellow sandstone bands, Paria Canyon-Vermilion Cliffs Wilderness, Arizona, USA, and Pointleaf manzanita {Arctostaphylos pungens}

Michael Pitts / Yellow jack caught in net {Caranx bartholomaei} Gulf of Mexico

Jack Dykinga / Santa Rita prickly pear (Opuntia santarita) cactus flower with new growth spines on pad. Santa Catalina mountains foothills, Upper Sonnoran Desert, Arizona, USA. May.

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.

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.

Jack Dykinga / Flowering Goldfields (Lasthenia californica) and California poppies (Eschscholzia californica) with Gilia flowers intermixed. Antelope Valley California State Poppy Reserve, Antelope Buttes, Mojave De...

Jack Dykinga / Cottonwood trees (Populus) in autumn near Fremont River. Capitol Reef National Park, Utah, USA. October 2018.

Jack Dykinga / Ponderosa pine (Pinus ponderosa) infront of petrified sand dunes with ephemeral waterfall after autumn rains, Grand Staircase-Escalante National Monument, Utah, USA. October.

Jack Dykinga / Murmuration of Yellow-headed blackbirds (Xanthocephalus xanthocephalus) and Redwing blackbirds (Agelaius phoeniceus) before roosting. Whitewater Draw Wildlife Area, Arizona, USA, December.

Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) roosting in cattails Whitewater Draw Wildlife Area, Arizona, USA, December.

Jack Dykinga / Yellow-headed blackbirds (Xanthocephalus xanthocephalus) roosting in cattails Whitewater Draw Wildlife Area, Arizona, USA, December.

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica), with lupins intermixed. Antelope Butte, near the Antelope Valley California Poppy Reserve...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica), with lupins intermixed. Antelope Butte, near the Antelope Valley California Poppy Reserve...

Jack Dykinga / Steep valleys in the foothills of the Temblor Range, carpeted with Coreopsis (yellow) and Phacelia (purple) with patches of orange California poppy (Eschscholzia californica). Carrizo Plain, Californi...

Jack Dykinga / Steep valleys in the foothills of the Temblor Range, carpeted with Coreopsis (yellow) and Phacelia (purple) with patches of orange California poppy (Eschscholzia californica). Carrizo Plain, Californi...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica), with gilia intermixed. Antelope Butte, near the Antelope Valley California Poppy Reserve,...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica), with gilia intermixed. Antelope Butte, near the Antelope Valley California Poppy Reserve,...

Jack Dykinga / Carpet of yellow California goldfields (Lasthenia californica) punctuated by orange California poppies (Eschscholzia californica). Antelope Butte, near the Antelope Valley California Poppy Reserve, Mo...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica), with gilia intermixed. Antelope Butte, near the Antelope Valley California Poppy Reserve,...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California Poppies (Eschscholzia californica) carpet the hillside. Antelope Butte, near the Antelope Valley California Poppy Reserve, Mo...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California Poppies (Eschscholzia californica) carpet the hillside. Antelope Butte, near the Antelope Valley California Poppy Reserve, Mo...

Jack Dykinga / Yucca surrounded by California poppies (Eschscholzia californica) and phacelia, in the dry arroyo water course. Joshua Tree National Park, Mojave Desert, California, USA. 27th March 2019.

Jack Dykinga / Yucca surrounded by California poppies (Eschscholzia californica) and phacelia. Joshua Tree National Park, Mojave Desert, California, USA. 27th March 2019.

Jack Dykinga / Silver cholla (Cylindropuntia echinocarpa) surrounded by California poppies (Eschscholzia californica) and phacelia. Joshua Tree National Park, Mojave Desert, California, USA. 27th March 2019.

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California Poppies (Eschscholzia californica), with a flowering Joshua tree (Yucca brevifolia). Antelope Butte, near the Antelope Valley...

Jack Dykinga / Caltrops summer poppies (Kallstroemia grandiflora) blooming amid mesquite trees (Prosopis sp.) infront of the Santa Catalina Mountains. July, after summer monsoon rains. Catalina State Park, near Tucs...

Jack Dykinga / Burrowing owl (Athene cunicularia) standing on one leg in afternoon light. Marana, Pima County, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) portrait. Marana, Pima County, Arizona, USA.

Jack Dykinga / Burrowing owl (Athene cunicularia) standing on one leg. Marana, Pima County, Arizona, USA.

Ashley Cooper / The Krakken, a jack up barge, constructing wind turbines of the Walney offshore wind farm, lifts a nacelle into place. Cumbria, England, UK. September 2011

Ashley Cooper / Jack up barge, The Goliath lifting a 320 tonne transition piece into place on the Walney Offshore windfarm project, off Barrow in Furness, Cumbria, UK. July 2011

Jack Dykinga / Wild Buckwheat (Eriogonum sp.) covered with yellow flowers, at sunset on lichen covered limestone. Grand Canyon National Park, Arizona, USA.

Jack Dykinga / Moran Point with Ponderosa pine (Pinus ponderosa) and rock spires, Grand Canyon National Park, Arizona, USA.

Linda Pitkin / Golden trevally (Gnathanodon speciosus), Triton Bay, near Kaimana, West Papua, Indonesia

Jack Dykinga / Murmuration of Yellow headed blackbird (Xanthocephalus xanthocephalus) flying at sunset, Sonoran Desert, Near Tucson, Arizona, USA.

Jack Dykinga / Murmuration of Yellow headed blackbird (Xanthocephalus xanthocephalus) flying at sunset, Sonoran Desert, Near Tucson, Arizona, USA.

Jack Dykinga / Murmuration of Yellow headed blackbird (Xanthocephalus xanthocephalus) flying at sunset, Sonoran Desert, Near Tucson, Arizona, USA.

Jack Dykinga / Murmuration of Yellow headed blackbird (Xanthocephalus xanthocephalus) flying at sunset, Sonoran Desert, Near Tucson, Arizona, USA.

Jack Dykinga / Murmuration of Yellow headed blackbird (Xanthocephalus xanthocephalus) flying at sunset, Sonoran Desert, Near Tucson, Arizona, USA.

Nick Upton / Meadow salsify / Goat's beard (Tragopogon pratensis) flower in a chalk grassland meadow, Wiltshire, UK, May.

Jack Dykinga / Aspens (Populus tremuloides) in soft morning light. Utah, USA, October.

Jack Dykinga / Massive wildflower display with Lanceleaf monolopia (Monolopia lanceleota) Tidy-tips (Layia platyglossa) and the Temblor Range carpeted with flower in the background. Carrizo Plain National Monument,...

Jack Dykinga / Whipple Mountain foothills, with sheets of color from blooming Heliotrope Phacelia (Phacelia crenulata) (purple) and Heartleaf evening primrose (Camissonia cardiophylla) with the Riverside and Big Mar...

Jack Dykinga / Whipple Mountain foothills, with sheets of color from blooming Heliotrope Phacelia (Phacelia crenulata) (purple) and Heartleaf evening primrose (Camissonia cardiophylla) with the Riverside and Big Mar...

Jack Dykinga / Mass wildflower display - Tidy-tips (Layia platyglossa) with solitary Great Valley phacelia (Phacelia ciliata) flower, and the Temblor Range carpeted with flower in the background in evening light. Ca...

Jack Dykinga / Mass wildflower display with Lanceleaf monolopia (Monolopia lanceleota) Tidy-tips (Layia platyglossa) and the Temblor Range carpeted with flower in the background. Carrizo Plain National Monument, Ca...

Jack Dykinga / Mass wildflower display with Tidy-tips (Layia platyglossa) flowers, and the Temblor Range carpeted with flower in the background in evening light. Carrizo Plain National Monument, California, USA, Mar...

Jack Dykinga / Massive wildflower display with Lanceleaf monolopia (Monolopia lanceleota) Tidy-tips (Layia platyglossa) Great Valley phacelia (Phacelia ciliata) and the Temblor Range carpeted with flower in the back...

Jack Dykinga / Massive wildflower display. Lanceleaf monolopia (Monolopia lanceolata) Great valley phacelia (Phacelia ciliata) and purple stalks of Lemmon's mustard (Caulanthus anceps) the Temblor Range carpeted...

Jack Dykinga / Massive wildflower display. Lanceleaf monolopia (Monolopia lanceolata) and Orange fiddle neck (Amsinckia intermedia) and the Temblor Range carpeted with flowers in the background. Carrizo Plain Nation...

Jack Dykinga / Quaking aspen (Populus tremuloides) in autumn colours with tree trunks behind, Dixie National Forest, Utah, October.

Jack Dykinga / Quaking aspen (Populus tremuloides) Dixie National Forest, Boulder Mountains, Utah, October.

Alex Mustard / Yellow striped scad (Selaroides leptolepis) school swim around a leg of Arborek jetty, Arborek Island, Raja Ampat, West Papua, Indonesia

Tony Wu / Yellowstripe scad (Selaroides leptolepis) shoal swimming under the jetty at Samarai Island in Milne Bay, Papua New Guinea

Tony Wu / Yellowstripe scad (Selaroides leptolepis) shoal swimming under the jetty at Samarai Island in Milne Bay, Papua New Guinea

Michael Hutchinson / Meadow salsify (Tragopogon pratensis) in flower, Ashton Court, North Somerset, UK, May.

Michael Hutchinson / Meadow salsify (Tragopogon pratensis) in flower, Ashton Court, North Somerset, UK, May.

Michael Hutchinson / Meadow salsify (Tragopogon pratensis) in flower, Ashton Court, North Somerset, UK, May.

Jack Jeffrey / Akiapolaau (Hemignathus wilsoni) male feeding, Hawaii

Jack Jeffrey / Akiapolaau (Hemignathus wilsoni) male calling, Hawaii