Jiri Slama / Northern Gannet (Morus bassanus) pair in courting display, Bass Rock, Scotland, United Kingdom

Denis-Huot / Masai giraffe (Giraffa camelopardalis tippelskirchi) group feeding, Masai-Mara Game Reserve, Kenya

Bence Mate / Pair of European bee-eaters (Merops apiaster) with courtship offering of insect prey, Pusztaszer, Kiskunsagi National Park, Hungary

Luciano Candisani / African Lion (Panthera leo) white adult female and juveniles eating Thomson's Gazelle (Eudorcas thomsonii), Sanbona Wildlife Reserve, South Africa

Fred Bavendam / Goby (Amblyeleotris sp) keeping watch while a Snapping Shrimp (Alpheus randalli) excavates their shared burrow, Bali, Indonesia

Pete Oxford / Brown Capuchin (Cebus apella) pair using rock and anvil to crack open Piassava Palm (Attalea funifera) nuts, Cerrado habitat, Piaui State, Brazil

Tui De Roy / Blue and Yellow Macaw (Ara ararauna) mixed flock sharing Erythrina tree with Mealy Parrot (Amazona farinosa) flock, Tambopata-Candamo Reserved Zone, Amazon basin, Peru

Tui De Roy / Sally Lightfoot Crab (Grapsus grapsus) pair sharing boulder with Marine Iguanas (Amblyrhynchus cristatus) to escape high tide, Mosquera Island, Galapagos Islands, Ecuador

Tui De Roy / Sally Lightfoot Crab (Grapsus grapsus) group sharing boulder with Marine Iguana (Amblyrhynchus cristatus) trio to escape high tide, Mosquera Island, Galapagos Islands, Ecuador

Tui De Roy / Sally Lightfoot Crab (Grapsus grapsus) group sharing boulder with three Marine Iguana (Amblyrhynchus cristatus) group to escape high tide, Mosquera Island, Galapagos Islands, Ecuador

Tui De Roy / Greater Flamingo (Phoenicopterus ruber) group and Galapagos Sea Lion (Zalophus wollebaeki) sharing Salt Pond, Rabida Island, Galapagos Islands, Ecuador

Doug Perrine / Ribbon eel pair sharing burrow during spawning {Rhinomuraena quaesita} Kapalai, Sabah, Borneo, Malaysia (Non-ex).