river

Sprig of this iconic spring plant with pussy willow catkins coming into flower. Catkins appear before leaves emerge.

Wolf Canis lupus hunting Elk Cervus canadensis in Yellowstone Park. Illustration from The Hidden Universe: Adventures in Biodiversity by Alexandre Antonelli

Crack willow tree Salix fragilis showing it’s bushy habit Illustration from “The Treeline: The last forest and the future of the planet” by Ben Rawlence (publ. Jan 2022)

Kingfisher Alcedo atthis, an animal used by humans for biomimicry. Illustration from the cover of “30 animals that made us smarter” by Partick Aryee.  This illustration cannot be re-used in any other book titles.

Kingfisher Alcedo atthis, an animal used by humans for biomimicry. Illustration from the cover of “30 animals that made us smarter” by Partick Aryee.  This illustration cannot be re-used in any other book titles.

Trout swimming Salmo trutta seen from above on a sandy river bottom, demonstrating carangiform movement

Large red damselfly Pyrrhosoma nymphula life cycle showing all the life stages against a blue wash backround with aquatic plants and pebbles and mud, adult, mating pait, egg laying, egg, larva, exuvia, emergent adult all shown, water lily on water surface

Keeled skimmer Orthetrum coerulescens male resting on vegetation cut to white

Large red damselfly Pyrrhosoma nymphula in amongst vegetation emerging from its larval shell which it will leave behind as its exuvia, adult colours not yet fully developed, cut to white

Large red damselfly Pyrrhosoma nymphula larvae under water on stony substrate with caudal lamellae or tracheal gills clearly visible; water plants including crowfoot behind

Large red damselfly Pyrrhosoma nymphula pair egg laying with male holding female with his anal claspers around her neck as she lays eggs just below the surface of the water

Large red damselfly Pyrrhosoma nymphula pair mating in distinctive cartwheel shape with background of water and aquatic plants

Large red damselfly Pyrrhosoma nymphula adult against a blue background

Migrant hawker Aeshna mixta adult male dorsal view cut to white

Red veined darter Sympetrum fonscolombii

Southern damselfly Coenagrion mercuriale male cut to white

Southern damselfly Coenagrion mercuriale male side view showing thoracic markings, resting on vegetation with abdomen slightly upturned

Southern Hawker Aeshna cyanea male cut to white

Beautiful demoiselle Calopteryx virgo male in side view showing irridescent blue body and beautiful irridescent wings held folded, perched on water side vegetation with red eyes and bright green thorax clear

Large red damselfly Pyrrhosoma nymphula adult male cut to white

Sarep sprite Pseudagrion sarepi male in side view cut to white

Red eyed damsel Erythromma najas male dorsal view cut to white

Dragonfly nymph Anisoptera from above dorsal view cut to white

Azure damselfly Coenagrion puella cut to white