Winfried Wisniewski / Masai Giraffe (Giraffa tippelskirchi) males fighting, Masai Mara, Kenya

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

Chien Lee / Standardwing (Semioptera wallacii) male displaying at lek, Halmahera Island, North Maluku, Indonesia

Tui De Roy / Blue-footed Booby (Sula nebouxii) sky pointing during courtship dance, Galapagos Islands, Ecuador. Sequence 1 of 3

Tui De Roy / Greater Flamingo (Phoenicopterus ruber) pair in territorial display while two other feed, Galapagos Islands, Ecuador

Piotr Naskrecki / Fulgorid Planthopper (Fulgoridae) spreading wings to show aposematic coloration, Costa Rica

Tim Laman / Golden-fronted / Yellow-fronted Bowerbird (Amblyornis flavifrons) male at his bower at approx 1700 m. Endemic species to the Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation Internat...

Ross Hoddinott / 2020VISION / Common blue damselfly {Enallagma cyathigerum}, mating pair, Little Bradley Ponds, Devon, UK. July. 2020VISION Book Plate.

Ross Hoddinott / 2020VISION / Common blue damselfly {Enallagma cyathigerum}, mating pair, Little Bradley Ponds, Devon, UK. July

Steve Gettle / Sharp-tailed Grouse (Tympanuchus phasianellus) male displaying at lek, Seney National Wildlife Refuge, Michigan

Hiroya Minakuchi / Nudibranch (Hypselodoris bullockii) pair mating, Borneo, Malaysia

Konrad Wothe / European Bee-eater (Merops apiaster) presents prey item to potential mate, Bulgaria