Cyril Ruoso / Northern viscacha (Lagidium peruanum) adult and young Cordillera Blanca Massif, Andes, Peru.

Krijn Trimbos / Great crested grebe (Podiceps cristatus) pair in courtship display, The Netherlands. March.

Andy Rouse / Bengal Tiger (Panthera tigris tigris) female 'Noor T39' covering fresh kill with leaves to hide it. Ranthambore National Park, India.

Barrie Britton / Scarlet ibis (Eudocimus ruber) in flight, Caroni Swamp, Trinidad. Picture taken during filming for BBC "Secrets of the Caribbean" TV Series, January 2006

Alex Mustard / School of Bohar snappers (Lutjanus bohar) above a coral reef. These fish are usually solitary but have gathered in the summer in the Red Sea for spawning. Shark Reef, Ras Mohammed Marine Park, Sinai,...

Alex Mustard / Harlequin shrimp (Hymenocera elegans) on a blue sea star. This species of shrimps feeds on starfish, turning them upside-down and keeping them as a living larder. Bitung, North Sulawesi, Indonesia. Le...

Alex Mustard / Pattern detail of a Majestic angelfish (Pomacanthus navarchus). Fiabacet Islands, Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea.

Alex Mustard / Imitator damselfish (Pomacentrus imitator) male, abstract in in front of a Black coral tree (Antipathes sp.) on a coral reef. Ra Province, Viti Levu, Fiji, Polynesia. Bligh Waters, Vatu-i-Ra Passage,...

Alex Mustard / Pink skeleton shrimp (Caprella sp.) portrait in red algae. Thistilfjord, Thorshofn, north east Iceland. North Atlantic Ocean.

Alex Mustard / Green jacks (Caranx caballus) long exposure, La Paz, Mexico. Gulf of California, Sea of Cortez, East Pacific Ocean.

Alex Mustard / Crinoid (Oxycomanthus bennetti). Romeo Reef, Yillet, Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea.

Alex Mustard / Aggregation of tiny isopods (Santia sp.) living on the surface of a Blue sponge (Haliclona sp.), there are two colour varieties here, possibly different species. There are also small copepods living o...