Marie Read / Wood Ducks (Aix sponsa), females behave aggressively toward a male (second from right) that is trying to join them on a floating log, autumn, New York, USA, October.
Nick Upton / Red mason bees (Osmia bicornis) entering and leaving nest hole drilled into a log within an insect hotel, Gloucestershire, England, UK, April.
Doug Gimesy / Platypus (Ornithorhynchus anatinus) just released onto a log in Little Yarra River, Yarra Junction, Victoria, Australia. April 2018. Controlled conditions.
Doug Gimesy / Platypus (Ornithorhynchus anatinus), released onto a log in Little Yarra River, Yarra junction, Victoria, Australia. Photographed under controlled conditions. April 2018.
Dave Bevan / Clear felling harvester working in a conifer plantation, Carmarthenshire, Wales, UK, June.
John Chan / Honey bees (Apis mellifera) gathering at the entrance of their nest in a hollow log, with some returning workers carrying pollen baskets, Bolsa Chica Ecological Reserve, California, USA, October.
John Chan / Honey bees (Apis mellifera) gathering at the entrance to their nest in a hollowed log, Bolsa Chica Ecological Reserve, California, USA, September.
Mark Hamblin / Red Squirrel (Sciurus vulgaris) leaping onto log, Scotland, UK, September. Highly commended in the Habitat category of the BWPA (British Wildlife Photography Awards) 2016.
Andy Sands / Amethyst Deceiver (Laccaria amethystina) two young toadstools growing up from mossy log, Buckinghamshire, England, UK, September
Roy Mangersnes / Marine iguana (Amblyrhynchus cristatus) resting on log in sunlight, Fernandina Island, Galapagos, April.
Juan Carlos Munoz / Log piles in alcove outside farm building, Triglav National Park, Trenta Valley, Julian Alps, Bovec, Slovenia, October 2014.
Klein & Hubert / Tabby and white kitten, age six weeks, sitting on a log, France.
Klein & Hubert / Two tabby and white kittens, age 6 weeks, playing on a log, France.