1348-5363 - Anatomy of the cow digestive apparatus. From left to right: mouth and esophagus, the reticulum (brown excrescence on the left), the rumen or composed paunch, from the top to the bottom by the dorsal sac, the cranial sac and the ventral sac. The grey excrescence beneath is the abomasum or velles.
1116-51232 - Female hiker looking out over an old stone wall on top of the Galty Mountains in winter in cloudy, foggy weather; County Tipperary, Ireland
1116-51943 - Portrait of a common warthog (Phacochoerus africanus) standing in the bush among rocks and looking at the camera at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia
1116-51937 - Overexposed blue wildebeest (Connochaetes taurinus) lying on the Etosha Salt Pan on a sunny day in Etosha National Park; Otavi, Oshikoto, Namibia
1116-51925 - White Rhinoceros (Ceratotherium simum) walks through the long grass across the savanna in profile in the Etosha National Park at sunset; Otavi, Oshikoto, Namibia
1116-52095 - The long expanse of the iconic Scripps Pier in the Pacific Ocean near San Diego on a grey day; La Jolla, San Diego County, California, United States of America
1116-51884 - Close-up of a blue goatfish (Parupeneus cyclostomus) showing the two barbels tucked under the chin, used to probe and detect prey; Maui, Hawaii, United States of America
1116-51271 - An immature black-winged stilt (Himantopus himantopus) with its beak in the water walks through the shallows of a perfectly calm lake, matched by its own reflection. Shot with a Nikon D800 at Ranthambore National Park in India; Rajasthan, India
1116-51348 - Supercell thunderstorm clouds show off the power of mother nature. Massive clouds build and unleash powerful storms creating a beautiful and awe inspiring spectacle; Colorado, United States of America
1116-51088 - A grey horse eating in a pasture with straw on the ground, an open blue sky behind and a fence line on the horizon; Eastend, Saskatchewan, Canada
1116-51349 - Supercell thunderstorm clouds show off the power of mother nature. Massive clouds build and unleash powerful storms creating a beautiful and awe inspiring spectacle; Colorado, United States of America
1116-51335 - Amazing clouds over the landscape of the American mid-west as supercell thunderstorms develop. Huge tornado on the ground; Woodward, Nebraska, United States of America
1116-51263 - An African bush elephant (Loxodonta africana) in the savannah walks through long, golden grass that contrasts with the dark blue storm clouds behind. It has grey, wrinkled skin and is feeding itself with its trunk. Shot with a Nikon D810 at Klein's Camp, Serengeti National Park; Tanzania
1116-51409 - A remote coastline of blue ocean water and barren land with light snow cover along the coast of British Columbia; British Columbia, Canada
1116-52096 - Stormy sky and the repeating view of the cement columns under the iconic Scripps Pier in the Pacific Ocean near San Diego; La Jolla, San Diego County, California, United States of America
1116-51950 - Close-up portrait of a male common waterbuck (Kobus ellipsiprymnus) looking at the camera at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia
1116-51956 - Close-up of an African bush elephant (Loxodonta africana) drinking from grassy waterhole with its trunk curled into its mouth on the savanna in Etosha National Park; Otavi, Oshikoto, Namibia
1116-51930 - Two common warthogs (Phacochoerus africanus) lying in a muddy waterhole on the stony ground on the savanna at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia
1116-51944 - Portrait of a common warthog (Phacochoerus africanus) standing in the mud at a waterhole and looking at the camera at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia
1116-51955 - Close-up of an African bush elephant (Loxodonta africana) drinking from grassy waterhole with its trunk curled into its mouth on the savanna in Etosha National Park; Otavi, Oshikoto, Namibia
1116-51945 - Close-up of a common warthog (Phacochoerus africanus) lying on its stomach in the mud at a waterhole next to a butterfly at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia
1116-51231 - Female hiker looking out over an old stone wall on top of the Galty Mountains in winter in cloudy, foggy weather; County Tipperary, Ireland