Martin Willis / Victoria's Riflebird (Ptiloris victoriae) male in courtship display, Atherton Tableland, Queensland, Australia. Sequence 2 of 3

Martin Willis / Splendid Fairywren (Malurus splendens) female and male, Queensland, Australia

Martin Willis / Red-collared Lorikeet (Trichoglossus rubritorquis) feeding on flower nectar, Kimberley, Western Australia, Australia

Martin Willis / Rainbow Lorikeet (Trichoglossus haematodus) pair preening during courtship, Magnetic Island, Queensland, Australia

Martin Willis / Spinifex Grass (Spinifex sp) in desert, Kata Tjuta, Australia

Martin Willis / Mangroves along coast and boat, Deluge Inlet, Hinchinbrook Island National Park, Queensland, Australia

Martin Willis / Budgerigar (Melopsittacus undulatus) father with begging chick at nest cavity, Queensland, Australia

Gary Bell/ Oceanwide / Australian Pelican (Pelecanus conspicillatus) flock, New South Wales, Australia

Gary Bell/ Oceanwide / Spotted Wobbegong (Orectolobus maculatus), Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Port Jackson Shark (Heterodontus portusjacksoni), Australia

Gary Bell/ Oceanwide / Grey Nurse Shark (Carcharias taurus), Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Tropical island, Keeling Islands, Australia

Gary Bell/ Oceanwide / Tropical island, Keeling Islands, Australia

Gary Bell/ Oceanwide / Tropical island, Keeling Islands, Australia

Gary Bell/ Oceanwide / Tropical island, Keeling Islands, Australia

Gary Bell/ Oceanwide / Surfer, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Lichen (Caloplaca sp) covered coastal rock, Flinders Island, Tasmania, Australia

Gary Bell/ Oceanwide / Coastal rock arch at sunset, Bermagui, New South Wales, Australia

Gary Bell/ Oceanwide / Cave along coast, Loch Ard Gorge, Port Campbell National Park, Victoria, Australia

Gary Bell/ Oceanwide / Granite rocks with lichen and Milky Way, Bicheno, Tasmania, Australia

Gary Bell/ Oceanwide / Coast, Red Rock Beach, Phillip Island, Victoria, Australia

Gary Bell/ Oceanwide / Tropical beach, Keeling Islands, Australia

Gary Bell/ Oceanwide / Tropical island, Keeling Islands, Australia

Gary Bell/ Oceanwide / Tropical island, Keeling Islands, Australia

Gary Bell/ Oceanwide / Coconut Palm (Cocos nucifera) fruit germinating on tropical beach, Keeling Islands, Australia

Gary Bell/ Oceanwide / Coconut Palm (Cocos nucifera) fruit germinating on tropical beach, Keeling Islands, Australia

Gary Bell/ Oceanwide / Tropical reef, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Red tide, Heron Island, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Tropical island, One Tree Island, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Green Sea Turtle (Chelonia mydas), Heron Island, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Green Sea Turtle (Chelonia mydas), Heron Island, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Sea Goldie (Pseudanthias squamipinnis) school in coral reef with feather stars, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Australian Giant Cuttlefish (Sepia apama) group gathered for mating, Whyalla, South Australia, Australia

Gary Bell/ Oceanwide / Australian Giant Cuttlefish (Sepia apama) male and female, Whyalla, South Australia, Australia

Gary Bell/ Oceanwide / Australian Giant Cuttlefish (Sepia apama) males fighting over female, Whyalla, South Australia, Australia

Gary Bell/ Oceanwide / Australian Giant Cuttlefish (Sepia apama) males fighting over female, Whyalla, South Australia, Australia

Gary Bell/ Oceanwide / Australian Sea Lion (Neophoca cinerea), Hopkins Island, South Australia, Australia

Gary Bell/ Oceanwide / Australian Sea Lion (Neophoca cinerea), Hopkins Island, South Australia, Australia

Gary Bell/ Oceanwide / Australian Sea Lion (Neophoca cinerea), Hopkins Island, South Australia, Australia

Gary Bell/ Oceanwide / Australian Sea Lion (Neophoca cinerea) group, Hopkins Island, South Australia, Australia

Gary Bell/ Oceanwide / Australian Sea Lion (Neophoca cinerea) group, Hopkins Island, South Australia, Australia

Gary Bell/ Oceanwide / Piling with sponges, tunicates, and ascidians, Yorke Peninsula, South Australia, Australia

Gary Bell/ Oceanwide / Sea Anemone (Corynactis australis) group, Bicheno, Tasmania, Australia

Gary Bell/ Oceanwide / Starfish (Uniophora granifera) on seagrass, Yorke Peninsula, South Australia, Australia

Gary Bell/ Oceanwide / Jellyfish (Cyanea rosella), Spencer Gulf, South Australia, Australia

Gary Bell/ Oceanwide / Portuguese Man Of War (Physalia physalis) jellyfish, Coffs Harbor, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Yellow-banded Snapper (Lutjanus adetii) school, Heron Island, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Portuguese Man Of War (Physalia physalis) jellyfish, Coffs Harbor, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Scarlet Cleaner Shrimp (Lysmata amboinensis) cleaning mouth of Tomato Grouper (Cephalopholis sonnerati), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Scarlet Cleaner Shrimp (Lysmata amboinensis) cleaning mouth of Tomato Grouper (Cephalopholis sonnerati), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Black-spot Goatfish (Parupeneus signatus) and Goldlined Seabream (Rhabdosargus sarba) school, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Blacktip Bullseye (Pempheris affinis) school, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Stripey (Microcanthus strigatus) school, Coffs Harbor, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Eastern Pomfred (Schuettea scalaripinnis) school, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Common Lionfish (Pterois volitans) hunting Basslets (Pseudanthias sp), Christmas Island, Australia

Gary Bell/ Oceanwide / Zebra Lionfish (Dendrochirus zebra), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Fire Goby (Nemateleotris magnifica), Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Painted Sweetlips (Diagramma pictum) in Slender Cardinalfish (Rhabdamia gracilis) school, Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Painted Sweetlips (Diagramma pictum) in Slender Cardinalfish (Rhabdamia gracilis) school near Double-headed Maori Wrasse (Cheilinus undulatus), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Whitemouth Moray (Gymnothorax meleagris) being cleaned by Cleaner Wrasse (Labroides sp) juvenile, Christmas Island, Australia

Gary Bell/ Oceanwide / Double-headed Maori Wrasse (Cheilinus undulatus), Painted Sweetlips (Diagramma pictum), and Slender Cardinalfish (Rhabdamia gracilis) school, Great Barrier Reef, Queensland, Australia

Doug Gimesy / Little blue penguin (Eudyptula minor), two standing on rocks at night, silhouetted against Melbourne city lights. St Kilda breakwater, Victoria, Australia. December 2016.

Doug Gimesy / Little penguin (Eudyptula minor) on rocks of St Kilda breakwater, Melbourne city lights in background. Victoria, Australia. January 2017.

Robert Valentic / Central bearded dragon (Pogona vitticeps) basking in mallee / heathland habitat on the Murrayville Track in the Big Desert Wilderness of north-western Victoria, Australia.

Robert Valentic / Heath Monitor (Varanus rosenbergi) male enacting a threat display, in mallee/heath habitat near Pinnaroo, South Australia.

Robert Valentic / Rough-scaled death adder (Acanthophis rugosus) waving tip of tail as a lure to entice prey within striking range. Mount Isa, Queensland Australia.

Robert Valentic / Striped legless lizard (Delma impar) female, in volcanic plain near Reedesdale in central Victoria, Australia.

David Gallan / Spotted-tailed quoll (Dasyurus maculatus) scent marking in Monga National Park, New South Wales, Australia. Remote camera, triggered by movement. Highly Commended 2018 Wildlife Photographer Of The Yea...

Marie Lochman / Karri (Eucalyptus diversicolor), third tallest tree in the world, Western Australian endemic plant, D'Entrecasteaux National Park, April 2017

Marie Lochman / Wandoo (Eucalyptus wandoo), Western Australian endemic plant, Darling Range, December 2014

Marie Lochman / Wandoo (Eucalyptus wandoo), Western Australian endemic plant, Mt. Yetar - Darling Range, December 2014

Marie Lochman / Salmon Gum (Eucalyptus salmonophloia), Western Australian endemic plant, Dunn Rock Nature Reserve, March 2015

Marie Lochman / Red tingle tree (Eucalyptus jacksonii), Western Australian endemic plant, Walpole-Nornalup National Park, Western Australia.

Marie Lochman / Western barred bandicoot (Perameles bougainville) Hairisson Prong, Shark Bay in Western Australia.

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

Marie Lochman / Fat-tailed dunnart (Sminthopsis crassicaudata) Goongarrie NP in Goldfields Region of Western Australia.

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 / Woolly-orange banksia (Banksia victoriae), Western Australian endemic plant, Western Australia, Bindoo Hill Nature Reserve, September 2014

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 / Creeping banksia (Banksia repens), Western Australian endemic plant, Fitzgerald River National Park, Western Australia.

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

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

Marie Lochman / Sandy Bight - Cape Arid National Park, South west, Western Australia, October 2010

Marie Lochman / Tree Top Walk - Valley of Giants, tourist attraction - walk in the canopy of Red Tingle giant eucalyptus (Eucalyptus jacksonii) trees, Walpole-Nornalup National Park, south west, Western Australia, Ja...

Marie Lochman / Carpet of annual everlasting daisies, Everlastings (Rhodanthe chlorocephala subsp. splendida) in flower, Midwest, Karara Rangelands, Western Australia. September 2018

Jiri Lochman / Little red kaluta (Dasykaluta rosamodae) feeding on a grasshopper, Great Sandy Desert, Western Australia.

Jiri Lochman / Brush-tailed mulgara (Dasycercus blythi) Little Sandy Desert, Western Australia.

Jiri Lochman / Fat-tailed dunnart (Sminthopsis crassicaudata) Goongarrie NP, Goldfields Region, Western Australia.

Jiri Lochman / Ningbing pseudantechinus (Pseudantechinus ningbing) Mornington Station, in the Kimberley, Western Australia.

Jiri Lochman / Fat-tailed pseudantechinus (Pseudantechinus macdonnellensis) Picture Hill area, in Great Sandy Desert, Western Australia .

Jiri Lochman / Brush-tailed phascogale (Phascogale tapoatafa) female with young, Kingston Forest, Western Australia, October.

Jiri Lochman / Red-tailed phascogale (Phascogale calura) feeding on a Banksia flower, Wheat-belt Region of Western Australia, Endangered species.

Jiri Lochman / Wongai Ningaui (Ningaui ridei) catching beetle, Goongarrie NP, at the western egde of Great Victoria Desert, Western Australia.

Jiri Lochman / Little red kaluta (Dasykaluta rosamodae) feeding on Ashby's Banksia (Banksia ashbyi) flower, Kennedy Range NP, Western Australia.