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 Hawkins / Fish seeking shelter around floating tree in open ocean. Off coast of Cocos Island National Park, Costa Rica.
Danny Green / Sea otter (Enhydra lutris) resting on sea ice, Alaska, USA, June
Danny Green / Sea otter (Enhydra lutris) resting amongst sea ice, Alaska, USA, June
Danny Green / Sea otters (Enhydra lutris) resting on ice, Alaska, USA, June
Theo Bosboom / Floating sweet-grass (Glyceria fluitans) in lake, Bjornlandet National Park, North Sweden. Finalist in the Plants and Fungi category of the Wildlife Photographer of the Year Awards (WPOY) Competition...
Theo Bosboom / Autumn foliage including Beech and Oak leaves and Rowan berries floating in the current of a mountain stream, La Hoegne, Ardennes, Belgium.
Theo Bosboom / Autumn leaves from Beech trees, Oak trees and Birch trees floating under water in the current of a mountain stream, La Hoegne, Ardennes, Belgium.
Theo Bosboom / Autumn leaves from Beech, Oak and Birch trees floating on water, taken from underwater, Ardennes, La Hoegne, Belgium.
Theo Bosboom / Oak and Beech tree leaves in autumn colours floating on water of mountain stream, La Hoegne / High Fenn, Ardennes, Belgium
Theo Bosboom / Yellow coloured Birch leaf (Betula) floating on the bubbles and foam of a stream, De Veluwe (Leuvenumse bos), Netherlands.
Willem Kolvoort / Water filled ditch with shadow of a tree on water with Fringed waterlily (Nymphoides peltata) Star duckweed (Lemna trisulca) Netherlands. July 2015. Commended in the Underwater World Category of the G...
Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform), Cenderawasih Bay, West Papua, Indonesia. Winner of the Man and Nature Portfolio Award in the Terre Sauvage Nature Images Aw...
Fred Olivier / Northern sea otter (Enhydra lutris kenyoni) sleeping at dusk, Kachemak Bay, Alaska, USA.
Fred Olivier / Northern sea otter (Enhydra lutris kenyoni) swimming, floating on its back, Kachemak Bay, Alaska, USA.
Fred Olivier / Northern sea otter (Enhydra lutris kenyoni) sleeping, floating on the surface, Kachemak Bay, Alaska, USA.
Luis Quinta / Body of deep sea squid floating near the surface, with mantle ripped up possibly by cetaceans such as Sperm whales which are present in the region, Pico Island, Azores, Portugal, May.
Erlend Haarberg / Rock face reflected in lake surface with floating blue ice sheets, Ovre Pikhaugvatnet lake, Glomdalen valley, Saltfjellet-Svartisen National Park, Norway, August 2015.
Brent Stephenson / Sunset off Scott Island, with floating pieces of sea ice, Scott Inlet, Baffin Island, Canadian Arctic, August 2015.
Claudio Contreras / Mesoamerican slider turtle / terrapin (Trachemys scripta venusta) in sinkhole, Cenote Carwash, near Tulum, Yucatan Peninsula, Mexico, January
Alex Hyde / Raft Spider (Dolomedes fimbriatus) female on heathland pool. Note wing of predated damselfly floating on water's surface under the spider. Dorset, UK. August.
Cyril Ruoso / Fruit of a Dipterocarp tree (Dipterocarpaceae) seed falling to the ground, Way Kambas National Park, Sumatra, Indonesia.
Dave Watts / Platypus (Ornithorhynchus anatinus) swimming in lake, Tasmania, Australia.