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

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

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

Martin Willis / Rainbow Lorikeet (Trichoglossus haematodus), Malanda, Queensland, Australia

Martin Willis / Monjon (Petrogale burbidgei) mother with joey, Mitchell Plateau, Kimberley, Western Australia, Australia

Martin Willis / Monjon (Petrogale burbidgei) mother with joey, Mitchell Plateau, Kimberley, Western Australia, Australia

Martin Willis / Australian Pelican (Pelecanus conspicillatus) group, Roebuck Bay, Kimberley, Western Australia, Australia

Martin Willis / Sulphur-crested Cockatoo (Cacatua galerita) displaying with crest erected, Brisbane, Queensland, Australia

Martin Willis / Sulphur-crested Cockatoo (Cacatua galerita) flying, Magnetic Island, Queensland, Australia

Martin Willis / Scaly-breasted Lorikeet (Trichoglossus chlorolepidotus), Toronga Zoo, Sydney, New South Wales, Australia

Martin Willis / Allied Rock Wallaby (Petrogale assimilis) mother with joey, Magnetic Island, Queensland, Australia

Martin Willis / Southern Double-collared Sunbird (Cinnyris chalybeus) on Rocket Pincushion (Leucospermum reflexum) flower, Kirstenbosch Garden, Cape Town, South Africa

Martin Willis / Impala (Aepyceros melampus) male with large antlers peering through woodland, Saint Lucia, South Africa

Martin Willis / Mountain Gorilla (Gorilla gorilla beringei) male feeding, Volcanoes National Park, Rwanda

Martin Willis / African Jacana (Actophilornis africanus) walking on floating lily pads, Mabamba Swamp, Uganda

Martin Willis / Victoria's Riflebird (Ptiloris victoriae) male displaying for female on vine lek, Malanda, Queensland, Australia

Martin Willis / Yellow-rumped Munia (Lonchura flaviprymna) male, Kimberley, Western Australia, Australia

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

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

Martin Willis / Victoria's Riflebird (Ptiloris victoriae) male in courtship display, Atherton Tableland, Queensland, Australia. Sequence 1 of 3

Martin Willis / Boat near sand island, Sudbury Cay, Great Barrier Reef, Queensland, Australia

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

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

Martin Willis / Red Kangaroo (Macropus rufus) male hopping, Queensland, Australia

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

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

Martin Willis / Green Ringtail Possum (Pseudochirops archeri), Atherton Tableland, Queensland, Australia

Martin Willis / Chestnut-breasted Munia (Lonchura castaneothorax), Yellow-rumped Munia (Lonchura flaviprymna), and Star Finches (Neochmia ruficauda) drinking, Kimberley, Western Australia, Australia

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

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

Martin Willis / Crimson Finch (Neochmia phaeton) male, Kimberley, Western Australia, Australia

Martin Willis / Domestic Cattle (Bos taurus) herd being herded by cowboys, Australia

Martin Willis / Boat near sand island, Beaver Cay, Great Barrier Reef, Queensland, Australia

Martin Willis / Western Bowerbird (Chlamydera guttata) male decorating bower with green berries, Kirkalocka Station, Mount Magnet, Western Australia, Australia

Martin Willis / Western Bowerbird (Chlamydera guttata) male decorating bower with green berries, Kirkalocka Station, Mount Magnet, Western Australia, Australia

Martin Willis / Superb Fruit-Dove (Ptilinopus superbus), Queensland, Australia

Martin Willis / Red-legged Pademelon (Thylogale stigmatica) juvenile and mother snuggling, Malanda, Queensland, Australia

Martin Willis / Numbat (Myrmecobius fasciatus) young, Brookton, Western Australia, Australia

Martin Willis / Numbat (Myrmecobius fasciatus) mother carrying young, Brookton, Western Australia, Australia

Martin Willis / Numbat (Myrmecobius fasciatus) female at burrow, Brookton, Western Australia, Australia

Martin Willis / European Flamingo (Phoenicopterus roseus) group wading in lake, Walvis Bay, Namibia

Martin Willis / Desert storm at sunset, Namib Desert, Twyfelfontein, Namibia

Martin Willis / Crimson Chat (Epthianura tricolor) male in flowers, Cue, Western Australia, Australia

Martin Willis / Crimson Chat (Epthianura tricolor) male, Cue, Western Australia, Australia

Martin Willis / Crimson Chat (Epthianura tricolor) male with insect prey, Cue, Western Australia, Australia

Martin Willis / Granite boulder in desert, Spitzkoppe, Damaraland, Namibia

Martin Willis / Buff-banded Rail (Gallirallus philippensis), Queensland, Australia

Martin Willis / Zebra Finch (Taeniopygia guttata) male and two females, Jundah, Queensland, Australia